O'ring Sizing

O’ring Sizing

Sealing Australia stock a wide variety of standard and non-standard o’ring sizes. For standard sizing, please see tables below for sizing and tolerances.

Imperial sizes

British Standard BS1806 / American Aerospace Standard AS568A, SAE boss seals and extended range of imperial sized o’rings.

BS1806/AS568A

The most commonly found o’ring size standard, even in metric based machinery

0.070″ (1/16″ Nominal)

1.78mm Cross Section

Size Reference ID (nom) OD (nom) CS (nom) ID (inch) ± CS (inch) ± ID (mm) ± CS (mm) ±
001 1/32 3/32 1/32 .029 .004 .040 .003 0.74 0.10 1.02 0.08
002 3/64 9/64 3/64 .042 .004 .050 .003 1.07 0.10 1.27 0.08
003 1/16 3/16 1/16 .056 .004 .060 .003 1.42 0.10 1.52 0.08
004 5/64 13/64 1/16 .070 .005 .070 .003 1.78 0.13 1.78 0.08
005 3/32 7/32 1/16 .101 .005 .070 .003 2.57 0.13 1.78 0.08
006 1/8 1/4 1/16 .114 .005 .070 .003 2.90 0.13 1.78 0.08
007 5/32 9/32 1/16 .145 .005 .070 .003 3.68 0.13 1.78 0.08
008 3/16 5/16 1/16 .176 .005 .070 .003 4.47 0.13 1.78 0.08
009 7/32 11/32 1/16 .208 .005 .070 .003 5.28 0.13 1.78 0.08
010 1/4 3/8 1/16 .239 .005 .070 .003 6.07 0.13 1.78 0.08
011 5/16 7/16 1/16 .301 .005 .070 .003 7.65 0.13 1.78 0.08
012 3/8 1/2 1/16 .364 .005 .070 .003 9.25 0.13 1.78 0.08
013 7/16 9/16 1/16 .426 .005 .070 .003 10.82 0.13 1.78 0.08
014 1/2 5/8 1/16 .489 .005 .070 .003 12.42 0.13 1.78 0.08
015 9/16 11/16 1/16 .551 .007 .070 .003 14.00 0.18 1.78 0.08
016 5/8 3/4 1/16 .614 .009 .070 .003 15.60 0.23 1.78 0.08
017 11/16 13/16 1/16 .676 .009 .070 .003 17.17 0.23 1.78 0.08
018 3/4 7/8 1/16 .739 .009 .070 .003 18.77 0.23 1.78 0.08
019 13/16 15/16 1/16 .801 .009 .070 .003 20.35 0.23 1.78 0.08
020 7/8 1 1/16 .864 .009 .070 .003 21.95 0.23 1.78 0.08
021 15/16 1-1/16 1/16 .926 .009 .070 .003 23.52 0.23 1.78 0.08
022 1 1-1/8 1/16 .989 .010 .070 .003 25.12 0.25 1.78 0.08
023 1-1/16 1-3/16 1/16 1.051 .010 .070 .003 26.70 0.25 1.78 0.08
024 1-1/8 1-1/4 1/16 1.114 .010 .070 .003 28.30 0.25 1.78 0.08
025 1-3/16 1-5/16 1/16 1.176 .011 .070 .003 29.87 0.28 1.78 0.08
026 1-1/4 1-3/8 1/16 1.239 .011 .070 .003 31.47 0.28 1.78 0.08
027 1-5/16 1-7/16 1/16 1.301 .011 .070 .003 33.05 0.28 1.78 0.08
028 1-3/8 1-1/2 1/16 1.364 .013 .070 .003 34.65 0.33 1.78 0.08
029 1-1/2 1-5/8 1/16 1.489 .013 .070 .003 37.82 0.33 1.78 0.08
030 1-5/8 1-3/4 1/16 1.614 .013 .070 .003 41.00 0.33 1.78 0.08
031 1-3/4 1-7/8 1/16 1.739 .015 .070 .003 44.17 0.38 1.78 0.08
032 1-7/8 2 1/16 1.864 .015 .070 .003 47.35 0.38 1.78 0.08
033 2 2-1/8 1/16 1.989 .018 .070 .003 50.52 0.46 1.78 0.08
034 2-1/8 2-1/4 1/16 2.114 .018 .070 .003 53.70 0.46 1.78 0.08
035 2-1/4 2-3/8 1/16 2.239 .018 .070 .003 56.87 0.46 1.78 0.08
036 2-3/8 2-1/2 1/16 2.364 .018 .070 .003 60.05 0.46 1.78 0.08
037 2-1/2 2-5/8 1/16 2.489 .018 .070 .003 63.22 0.46 1.78 0.08
038 2-5/8 2-3/4 1/16 2.614 .020 .070 .003 66.40 0.51 1.78 0.08
039 2-3/4 2-7/8 1/16 2.739 .020 .070 .003 69.57 0.51 1.78 0.08
040 2-7/8 3 1/16 2.864 .020 .070 .003 72.75 0.51 1.78 0.08
041 3 3-1/8 1/16 2.989 .024 .070 .003 75.92 0.61 1.78 0.08
042 3-1/4 3-3/8 1/16 3.239 .024 .070 .003 82.27 0.61 1.78 0.08
043 3-1/2 3-5/8 1/16 3.489 .024 .070 .003 88.62 0.61 1.78 0.08
044 3-3/4 3-7/8 1/16 3.739 .027 .070 .003 94.97 0.69 1.78 0.08
045 4 4-1/8 1/16 3.989 .027 .070 .003 101.32 0.69 1.78 0.08
046 4-1/4 4-3/8 1/16 4.239 .030 .070 .003 107.67 0.76 1.78 0.08
047 4-1/2 4-5/8 1/16 4.489 .030 .070 .003 114.02 0.76 1.78 0.08
048 4-3/4 4-7/8 1/16 4.739 .030 .070 .003 120.37 0.76 1.78 0.08
049 5 5-1/8 1/16 4.989 .037 .070 .003 126.72 0.94 1.78 0.08
050 5-1/4 5-3/8 1/16 5.239 .037 .070 .003 133.07 0.94 1.78 0.08

 

0.103” (3/32″ Nominal)

2.62mm Cross Section

Size Reference ID (nom) OD (nom) CS (nom) ID (inch) ± CS (inch) ± ID (mm) ± CS (mm) ±
102 1/16 1/4 3/32 .049 .005 .103 .003 1.24 0.13 2.62 0.08
103 3/32 9/32 3/32 .081 .005 .103 .003 2.06 0.13 2.62 0.08
104 1/8 5/16 3/32 .112 .005 .103 .003 2.84 0.13 2.62 0.08
105 5/32 11/32 3/32 .143 .005 .103 .003 3.63 0.13 2.62 0.08
106 3/16 3/8 3/32 .174 .005 .103 .003 4.42 0.13 2.62 0.08
107 7/32 13/32 3/32 .206 .005 .103 .003 5.23 0.13 2.62 0.08
108 1/4 7/16 3/32 .237 .005 .103 .003 6.02 0.13 2.62 0.08
109 5/16 1/2 3/32 .299 .005 .103 .003 7.59 0.13 2.62 0.08
110 3/8 9/16 3/32 .362 .005 .103 .003 9.19 0.13 2.62 0.08
111 7/16 5/8 3/32 .424 .005 .103 .003 10.77 0.13 2.62 0.08
112 1/2 11/16 3/32 .487 .005 .103 .003 12.37 0.13 2.62 0.08
113 9/16 3/4 3/32 .549 .007 .103 .003 13.94 0.18 2.62 0.08
114 5/8 13/16 3/32 .612 .009 .103 .003 15.54 0.23 2.62 0.08
115 11/16 7/8 3/32 .674 .009 .103 .003 17.12 0.23 2.62 0.08
116 3/4 15/16 3/32 .737 .009 .103 .003 18.72 0.23 2.62 0.08
117 13/16 1 3/32 .799 .010 .103 .003 20.29 0.25 2.62 0.08
118 7/8 1-1/16 3/32 .862 .010 .103 .003 21.89 0.25 2.62 0.08
119 15/16 1-1/8 3/32 .924 .010 .103 .003 23.47 0.25 2.62 0.08
120 1 1-3/16 3/32 .987 .010 .103 .003 25.07 0.25 2.62 0.08
121 1-1/16 1-1/4 3/32 1.049 .010 .103 .003 26.64 0.25 2.62 0.08
122 1-1/8 1-5/16 3/32 1.112 .010 .103 .003 28.24 0.25 2.62 0.08
123 1-3/16 1-3/8 3/32 1.174 .012 .103 .003 29.82 0.30 2.62 0.08
124 1-1/4 1-7/16 3/32 1.237 .012 .103 .003 31.42 0.30 2.62 0.08
125 1-5/16 1-1/2 3/32 1.299 .012 .103 .003 32.99 0.30 2.62 0.08
126 1-3/8 1-9/16 3/32 1.362 .012 .103 .003 34.59 0.30 2.62 0.08
127 1-7/16 1-5/8 3/32 1.424 .012 .103 .003 36.17 0.30 2.62 0.08
128 1-1/2 1-11/16 3/32 1.487 .012 .103 .003 37.77 0.30 2.62 0.08
129 1-9/16 1-3/4 3/32 1.549 .015 .103 .003 39.34 0.38 2.62 0.08
130 1-5/8 1-13/16 3/32 1.612 .015 .103 .003 40.94 0.38 2.62 0.08
131 1-11/16 1-7/8 3/32 1.674 .015 .103 .003 42.52 0.38 2.62 0.08
132 1-3/4 1-15/16 3/32 1.737 .015 .103 .003 44.12 0.38 2.62 0.08
133 1-13/16 2 3/32 1.799 .015 .103 .003 45.69 0.38 2.62 0.08
134 1-7/8 2-1/16 3/32 1.862 .015 .103 .003 47.29 0.38 2.62 0.08
135 1-15/16 2-1/8 3/32 1.925 .017 .103 .003 48.90 0.43 2.62 0.08
136 2 2-3/16 3/32 1.987 .017 .103 .003 50.47 0.43 2.62 0.08
137 2-1/16 2-1/4 3/32 2.050 .017 .103 .003 52.07 0.43 2.62 0.08
138 2-1/8 2-5/16 3/32 2.112 .017 .103 .003 53.64 0.43 2.62 0.08
139 2-3/16 2-3/8 3/32 2.175 .017 .103 .003 55.25 0.43 2.62 0.08
140 2-1/4 2-7/16 3/32 2.237 .017 .103 .003 56.82 0.43 2.62 0.08
141 2-5/16 2-1/2 3/32 2.300 .020 .103 .003 58.42 0.51 2.62 0.08
142 2-3/8 2-9/16 3/32 2.362 .020 .103 .003 59.99 0.51 2.62 0.08
143 2-7/16 2-5/8 3/32 2.425 .020 .103 .003 61.60 0.51 2.62 0.08
144 2-1/2 2-11/16 3/32 2.487 .020 .103 .003 63.17 0.51 2.62 0.08
145 2-9/16 2-3/4 3/32 2.550 .020 .103 .003 64.77 0.51 2.62 0.08
146 2-5/8 2-13/16 3/32 2.612 .020 .103 .003 66.34 0.51 2.62 0.08
147 2-11/16 2-7/8 3/32 2.675 .022 .103 .003 67.95 0.56 2.62 0.08
148 2-3/4 2-15/16 3/32 2.737 .022 .103 .003 69.52 0.56 2.62 0.08
149 2-13/16 3 3/32 2.800 .022 .103 .003 71.12 0.56 2.62 0.08
150 2-7/8 3-1/16 3/32 2.862 .022 .103 .003 72.69 0.56 2.62 0.08
151 3 3-3/16 3/32 2.987 .024 .103 .003 75.87 0.61 2.62 0.08
152 3-1/4 3-7/16 3/32 3.237 .024 .103 .003 82.22 0.61 2.62 0.08
153 3-1/2 3-11/16 3/32 3.487 .024 .103 .003 88.57 0.61 2.62 0.08
154 3-3/4 3-15/16 3/32 3.737 .028 .103 .003 94.92 0.71 2.62 0.08
155 4 4-3/16 3/32 3.987 .028 .103 .003 101.27 0.71 2.62 0.08
156 4-1/4 4-7/16 3/32 4.237 .030 .103 .003 107.62 0.76 2.62 0.08
157 4-1/2 4-11/16 3/32 4.487 .030 .103 .003 113.97 0.76 2.62 0.08
158 4-3/4 4-15/16 3/32 4.737 .030 .103 .003 120.32 0.76 2.62 0.08
159 5 5-3/16 3/32 4.987 .035 .103 .003 126.67 0.89 2.62 0.08
160 5-1/4 5-7/16 3/32 5.237 .035 .103 .003 133.02 0.89 2.62 0.08
161 5-1/2 5-11/16 3/32 5.487 .035 .103 .003 139.37 0.89 2.62 0.08
162 5-3/4 5-15/16 3/32 5.737 .035 .103 .003 145.72 0.89 2.62 0.08
163 6 6-3/16 3/32 5.987 .035 .103 .003 152.07 0.89 2.62 0.08
164 6-1/4 6-7/16 3/32 6.237 .040 .103 .003 158.42 1.02 2.62 0.08
165 6-1/2 6-11/16 3/32 6.487 .040 .103 .003 164.77 1.02 2.62 0.08
166 6-3/4 6-15/16 3/32 6.737 .040 .103 .003 171.12 1.02 2.62 0.08
167 7 7-3/16 3/32 6.987 .040 .103 .003 177.47 1.02 2.62 0.08
168 7-1/4 7-7/16 3/32 7.237 .045 .103 .003 183.82 1.14 2.62 0.08
169 7-1/2 7-11/16 3/32 7.487 .045 .103 .003 190.17 1.14 2.62 0.08
170 7-3/4 7-15/16 3/32 7.737 .045 .103 .003 196.52 1.14 2.62 0.08
171 8 8-3/16 3/32 7.987 .045 .103 .003 202.87 1.14 2.62 0.08
172 8-1/4 8-7/16 3/32 8.237 .050 .103 .003 209.22 1.27 2.62 0.08
173 8-1/2 8-11/16 3/32 8.487 .050 .103 .003 215.57 1.27 2.62 0.08
174 8-3/4 8-15/16 3/32 8.737 .050 .103 .003 221.92 1.27 2.62 0.08
175 9 9-3/16 3/32 8.987 .050 .103 .003 228.27 1.27 2.62 0.08
176 9-1/4 9-7/16 3/32 9.237 .055 .103 .003 234.62 1.40 2.62 0.08
177 9-1/2 9-11/16 3/32 9.487 .055 .103 .003 240.97 1.40 2.62 0.08
178 9-3/4 9-15/16 3/32 9.737 .055 .103 .003 247.32 1.40 2.62 0.08

 

0.139” (1/8″ Nominal)

3.53mm Cross Section

Size Reference ID (nom) OD (nom) CS (nom) ID (inch) ± CS (inch) ± ID (mm) ± CS (mm) ±
201 3/16 7/16 1/8 .171 .005 .139 .004 4.34 0.13 3.53 0.10
202 1/4 1/2 1/8 .234 .005 .139 .004 5.94 0.13 3.53 0.10
203 5/16 9/16 1/8 .296 .005 .139 .004 7.52 0.13 3.53 0.10
204 3/8 5/8 1/8 .359 .005 .139 .004 9.12 0.13 3.53 0.10
205 7/16 11/16 1/8 .421 .005 .139 .004 10.69 0.13 3.53 0.10
206 1/2 3/4 1/8 .484 .005 .139 .004 12.29 0.13 3.53 0.10
207 9/16 13/16 1/8 .546 .007 .139 .004 13.87 0.18 3.53 0.10
208 5/8 7/8 1/8 .609 .009 .139 .004 15.47 0.23 3.53 0.10
209 11/16 15/16 1/8 .671 .010 .139 .004 17.04 0.23 3.53 0.10
210 3/4 1 1/8 .734 .010 .139 .004 18.64 0.25 3.53 0.10
211 13/16 1-1/16 1/8 .796 .010 .139 .004 20.22 0.25 3.53 0.10
212 7/8 1-1/8 1/8 .859 .010 .139 .004 21.82 0.25 3.53 0.10
213 15/16 1-3/16 1/8 .921 .010 .139 .004 23.39 0.25 3.53 0.10
214 1 1-1/4 1/8 .984 .010 .139 .004 24.99 0.25 3.53 0.10
215 1-1/16 1-5/16 1/8 1.046 .010 .139 .004 26.57 0.25 3.53 0.10
216 1-1/8 1-3/8 1/8 1.109 .012 .139 .004 28.17 0.30 3.53 0.10
217 1-3/16 1-7/16 1/8 1.171 .012 .139 .004 29.74 0.30 3.53 0.10
218 1-1/4 1-1/2 1/8 1.234 .012 .139 .004 31.34 0.30 3.53 0.10
219 1-5/16 1-9/16 1/8 1.296 .012 .139 .004 32.92 0.30 3.53 0.10
220 1-3/8 1-5/8 1/8 1.359 .012 .139 .004 34.52 0.30 3.53 0.10
221 1-7/16 1-11/16 1/8 1.421 .012 .139 .004 36.09 0.30 3.53 0.10
222 1-1/2 1-3/4 1/8 1.484 .015 .139 .004 37.69 0.38 3.53 0.10
223 1-5/8 1-7/8 1/8 1.609 .015 .139 .004 40.87 0.38 3.53 0.10
224 1-3/4 2 1/8 1.734 .015 .139 .004 44.04 0.38 3.53 0.10
225 1-7/8 2-1/8 1/8 1.859 .018 .139 .004 47.22 0.46 3.53 0.10
226 2 2-1/4 1/8 1.984 .018 .139 .004 50.39 0.46 3.53 0.10
227 2-1/16 2-3/8 1/8 2.109 .018 .139 .004 53.57 0.46 3.53 0.10
228 2-1/4 2-1/2 1/8 2.234 .020 .139 .004 56.74 0.51 3.53 0.10
229 2-3/8 2-5/8 1/8 2.359 .020 .139 .004 59.92 0.51 3.53 0.10
230 2-1/2 2-3/4 1/8 2.484 .020 .139 .004 63.09 0.51 3.53 0.10
231 2-5/8 2-7/8 1/8 2.609 .020 .139 .004 66.27 0.51 3.53 0.10
232 2-3/4 3 1/8 2.734 .024 .139 .004 69.44 0.61 3.53 0.10
233 2-7/8 3-1/8 1/8 2.859 .024 .139 .004 72.62 0.61 3.53 0.10
234 3 3-1/4 1/8 2.984 .024 .139 .004 75.79 0.61 3.53 0.10
235 3-1/8 3-3/8 1/8 3.109 .024 .139 .004 78.97 0.61 3.53 0.10
236 3-1/4 3-1/2 1/8 3.234 .024 .139 .004 82.14 0.61 3.53 0.10
237 3-3/8 3-5/8 1/8 3.359 .024 .139 .004 85.32 0.61 3.53 0.10
238 3-1/2 3-3/4 1/8 3.484 .024 .139 .004 88.49 0.61 3.53 0.10
239 3-5/8 3-7/8 1/8 3.609 .028 .139 .004 91.67 0.71 3.53 0.10
240 3-7/8 4 1/8 3.734 .028 .139 .004 94.84 0.71 3.53 0.10
241 3-7/8 4-1/8 1/8 3.859 .028 .139 .004 98.02 0.71 3.53 0.10
242 4 4-1/4 1/8 3.984 .028 .139 .004 101.19 0.71 3.53 0.10
243 4-1/8 4-3/8 1/8 4.109 .028 .139 .004 104.37 0.71 3.53 0.10
244 4-1/4 4-1/2 1/8 4.234 .030 .139 .004 107.54 0.76 3.53 0.10
245 4-3/8 4-5/8 1/8 4.359 .030 .139 .004 110.72 0.76 3.53 0.10
246 4-1/2 4-3/4 1/8 4.484 .030 .139 .004 113.89 0.76 3.53 0.10
247 4-5/8 4-7/8 1/8 4.609 .030 .139 .004 117.07 0.76 3.53 0.10
248 4-3/4 5 1/8 4.734 .030 .139 .004 120.24 0.76 3.53 0.10
249 4-7/8 5-1/8 1/8 4.859 .035 .139 .004 123.42 0.89 3.53 0.10
250 5 5-1/4 1/8 4.984 .035 .139 .004 126.59 0.89 3.53 0.10
251 5-1/8 5-3/8 1/8 5.109 .035 .139 .004 129.77 0.89 3.53 0.10
252 5-1/4 5-1/2 1/8 5.234 .035 .139 .004 132.94 0.89 3.53 0.10
253 5-3/8 5-5/8 1/8 5.359 .035 .139 .004 136.12 0.89 3.53 0.10
254 5-1/2 5-3/4 1/8 5.484 .035 .139 .004 139.29 0.89 3.53 0.10
255 5-5/8 5-7/8 1/8 5.609 .035 .139 .004 142.47 0.89 3.53 0.10
256 5-3/4 6 1/8 5.734 .035 .139 .004 145.64 0.89 3.53 0.10
257 5-7/8 6-1/8 1/8 5.859 .035 .139 .004 148.82 0.89 3.53 0.10
258 6 6-1/4 1/8 5.984 .035 .139 .004 151.99 0.89 3.53 0.10
259 6-1/4 6-1/2 1/8 6.234 .040 .139 .004 158.34 1.02 3.53 0.10
260 6-1/2 6-3/4 1/8 6.484 .040 .139 .004 164.69 1.02 3.53 0.10
261 6-3/4 7 1/8 6.734 .040 .139 .004 171.04 1.02 3.53 0.10
262 7 7-1/4 1/8 6.984 .040 .139 .004 177.39 1.02 3.53 0.10
263 7-1/4 7-1/2 1/8 7.234 .045 .139 .004 183.74 1.14 3.53 0.10
264 7-1/2 7-3/4 1/8 7.484 .045 .139 .004 190.09 1.14 3.53 0.10
265 7-3/4 8 1/8 7.734 .045 .139 .004 196.44 1.14 3.53 0.10
266 8 8-1/4 1/8 7.984 .045 .139 .004 202.79 1.14 3.53 0.10
267 8-1/4 8-1/2 1/8 8.234 .050 .139 .004 209.14 1.27 3.53 0.10
268 8-1/2 8-3/4 1/8 8.484 .050 .139 .004 215.49 1.27 3.53 0.10
269 8-3/4 9 1/8 8.734 .050 .139 .004 221.84 1.27 3.53 0.10
270 9 9-1/4 1/8 8.984 .050 .139 .004 228.19 1.27 3.53 0.10
271 9-1/4 9-1/2 1/8 9.234 .055 .139 .004 234.54 1.40 3.53 0.10
272 9-1/2 9-3/4 1/8 9.484 .055 .139 .004 240.89 1.40 3.53 0.10
273 9-3/4 10 1/8 9.734 .055 .139 .004 247.24 1.40 3.53 0.10
274 10 10-1/4 1/8 9.984 .055 .139 .004 253.59 1.40 3.53 0.10
275 10-1/2 10-3/4 1/8 10.484 .055 .139 .004 266.29 1.40 3.53 0.10
276 11 11-1/4 1/8 10.984 .065 .139 .004 278.99 1.65 3.53 0.10
277 11-1/2 11-3/4 1/8 11.484 .065 .139 .004 291.69 1.65 3.53 0.10
278 12 12-1/4 1/8 11.984 .065 .139 .004 304.39 1.65 3.53 0.10
279 13 13-1/4 1/8 12.984 .065 .139 .004 329.79 1.65 3.53 0.10
280 14 14-1/4 1/8 13.984 .065 .139 .004 355.19 1.65 3.53 0.10
281 15 15-1/4 1/8 14.984 .065 .139 .004 380.59 1.65 3.53 0.10
282 16 16-1/4 1/8 15.955 .075 .139 .004 405.26 1.91 3.53 0.10
283 17 17-1/4 1/8 16.955 .080 .139 .004 430.66 2.03 3.53 0.10
284 18 18-1/4 1/8 17.955 .085 .139 .004 456.06 2.16 3.53 0.10

 

0.210” (3/16″ Nominal)

5.33mm Cross Section

Size Reference ID (nom) OD (nom) CS (nom) ID (inch) ± CS (inch) ± ID (mm) ± CS (mm) ±
309 7/16 13/16 3/16 .412 .005 .210 .005 10.46 0.13 5.33 0.13
310 1/2 7/8 3/16 .475 .005 .210 .005 12.07 0.13 5.33 0.13
311 9/16 15/16 3/16 .537 .007 .210 .005 13.64 0.18 5.33 0.13
312 5/8 1 3/16 .600 .009 .210 .005 15.24 0.23 5.33 0.13
313 11/16 1-1/16 3/16 .662 .009 .210 .005 16.81 0.23 5.33 0.13
314 3/4 1-1/8 3/16 .725 .010 .210 .005 18.42 0.25 5.33 0.13
315 13/16 1-3/16 3/16 .787 .010 .210 .005 19.99 0.25 5.33 0.13
316 7/8 1-1/4 3/16 .850 .010 .210 .005 21.59 0.25 5.33 0.13
317 15/16 1-5/16 3/16 .912 .010 .210 .005 23.16 0.25 5.33 0.13
318 1 1-3/8 3/16 .975 .010 .210 .005 24.77 0.25 5.33 0.13
319 1-1/16 1-7/16 3/16 1.037 .010 .210 .005 26.34 0.25 5.33 0.13
320 1-1/8 1-1/2 3/16 1.100 .012 .210 .005 27.94 0.30 5.33 0.13
321 1-3/16 1-9/16 3/16 1.162 .012 .210 .005 29.51 0.30 5.33 0.13
322 1-1/4 1-5/8 3/16 1.225 .012 .210 .005 31.12 0.30 5.33 0.13
323 1-5/16 1-11/16 3/16 1.287 .012 .210 .005 32.69 0.30 5.33 0.13
324 1-3/8 1-3/4 3/16 1.350 .012 .210 .005 34.29 0.30 5.33 0.13
325 1-1/2 1-7/8 3/16 1.475 .015 .210 .005 37.47 0.38 5.33 0.13
326 1-5/8 2 3/16 1.600 .015 .210 .005 40.64 0.38 5.33 0.13
327 1-3/4 2-1/8 3/16 1.725 .015 .210 .005 43.82 0.38 5.33 0.13
328 1-7/8 2-1/4 3/16 1.850 .015 .210 .005 46.99 0.38 5.33 0.13
329 2 2-3/8 3/16 1.975 .018 .210 .005 50.17 0.46 5.33 0.13
330 2-1/8 2-1/2 3/16 2.100 .018 .210 .005 53.34 0.46 5.33 0.13
331 2-1/4 2-5/8 3/16 2.225 .018 .210 .005 56.52 0.46 5.33 0.13
332 2-3/8 2-3/4 3/16 2.350 .018 .210 .005 59.69 0.46 5.33 0.13
333 2-1/2 2-7/8 3/16 2.475 .020 .210 .005 62.87 0.51 5.33 0.13
334 2-5/8 3 3/16 2.600 .020 .210 .005 66.04 0.51 5.33 0.13
335 2-3/4 3-1/8 3/16 2.725 .020 .210 .005 69.22 0.51 5.33 0.13
336 2-7/8 3-1/4 3/16 2.850 .020 .210 .005 72.39 0.51 5.33 0.13
337 3 3-3/8 3/16 2.975 .024 .210 .005 75.57 0.61 5.33 0.13
338 3-1/8 3-1/2 3/16 3.100 .024 .210 .005 78.74 0.61 5.33 0.13
339 3-1/4 3-5/8 3/16 3.225 .024 .210 .005 81.92 0.61 5.33 0.13
340 3-3/8 3-3/4 3/16 3.350 .024 .210 .005 85.09 0.61 5.33 0.13
341 3-1/2 3-7/8 3/16 3.475 .024 .210 .005 88.27 0.61 5.33 0.13
342 3-5/8 4 3/16 3.600 .028 .210 .005 91.44 0.71 5.33 0.13
343 3-3/4 4-1/8 3/16 3.725 .028 .210 .005 94.62 0.71 5.33 0.13
344 3-7/8 4-1/4 3/16 3.850 .028 .210 .005 97.79 0.71 5.33 0.13
345 4 4-3/8 3/16 3.975 .028 .210 .005 100.97 0.71 5.33 0.13
346 4-1/8 4-1/2 3/16 4.100 .028 .210 .005 104.14 0.71 5.33 0.13
347 4-1/4 4-5/8 3/16 4.225 .030 .210 .005 107.32 0.76 5.33 0.13
348 4-3/8 4-3/4 3/16 4.350 .030 .210 .005 110.49 0.76 5.33 0.13
349 4-1/2 4-7/8 3/16 4.475 .030 .210 .005 113.67 0.76 5.33 0.13
350 4-5/8 5 3/16 4.600 .030 .210 .005 116.84 0.76 5.33 0.13
351 4-3/4 5-1/8 3/16 4.725 .030 .210 .005 120.02 0.76 5.33 0.13
352 4-7/8 5-1/4 3/16 4.850 .030 .210 .005 123.19 0.76 5.33 0.13
353 5 5-3/8 3/16 4.975 .037 .210 .005 126.37 0.94 5.33 0.13
354 5.1/8 5-1/2 3/16 5.100 .037 .210 .005 129.54 0.94 5.33 0.13
355 5-1/4 5-5/8 3/16 5.225 .037 .210 .005 132.72 0.94 5.33 0.13
356 5-3/8 5-3/4 3/16 5.350 .037 .210 .005 135.89 0.94 5.33 0.13
357 5-1/2 5-7/8 3/16 5.475 .037 .210 .005 139.07 0.94 5.33 0.13
358 5-5/8 6 3/16 5.600 .037 .210 .005 142.24 0.94 5.33 0.13
359 5-3/4 6-1/8 3/16 5.725 .037 .210 .005 145.42 0.94 5.33 0.13
360 5-7/8 6-1/4 3/16 5.850 .037 .210 .005 148.59 0.94 5.33 0.13
361 6 6-3/8 3/16 5.975 .037 .210 .005 151.77 0.94 5.33 0.13
362 6-1/4 6-5/8 3/16 6.225 .040 .210 .005 158.12 1.02 5.33 0.13
363 6-1/2 6-7/8 3/16 6.475 .040 .210 .005 164.47 1.02 5.33 0.13
364 6.3/4 7-1/8 3/16 6.725 .040 .210 .005 170.82 1.02 5.33 0.13
365 7 7-3/8 3/16 6.975 .040 .210 .005 177.17 1.02 5.33 0.13
366 7-1/4 7-5/8 3/16 7.225 .045 .210 .005 183.52 1.14 5.33 0.13
367 7-1/2 7-7/8 3/16 7.475 .045 .210 .005 189.87 1.14 5.33 0.13
368 7-3/4 8-1/8 3/16 7.725 .045 .210 .005 196.22 1.14 5.33 0.13
369 8 8-3/8 3/16 7.975 .045 .210 .005 202.57 1.14 5.33 0.13
370 8-1/4 8-5/8 3/16 8.225 .050 .210 .005 208.92 1.27 5.33 0.13
371 8-1/2 8-7/8 3/16 8.475 .050 .210 .005 215.27 1.27 5.33 0.13
372 8-3/4 9-1/8 3/16 8.725 .050 .210 .005 221.62 1.27 5.33 0.13
373 9 9-3/8 3/16 8.975 .050 .210 .005 227.97 1.27 5.33 0.13
374 9-1/4 9-5/8 3/16 9.225 .055 .210 .005 234.32 1.40 5.33 0.13
375 9-1/2 9-7/8 3/16 9.475 .055 .210 .005 240.67 1.40 5.33 0.13
376 9-3/4 10-1/8 3/16 9.725 .055 .210 .005 247.02 1.40 5.33 0.13
377 10 10-3/8 3/16 9.975 .055 .210 .005 253.37 1.40 5.33 0.13
378 10-1/2 10-7/8 3/16 10.475 .060 .210 .005 266.07 1.52 5.33 0.13
379 11 11-3/8 3/16 10.975 .060 .210 .005 278.77 1.52 5.33 0.13
380 11-1/2 11-7/8 3/16 11.475 .065 .210 .005 291.47 1.65 5.33 0.13
381 12 12-3/8 3/16 11.975 .065 .210 .005 304.17 1.65 5.33 0.13
382 13 13-3/8 3/16 12.975 .065 .210 .005 329.57 1.65 5.33 0.13
383 14 14-3/8 3/16 13.975 .070 .210 .005 354.97 1.78 5.33 0.13
384 15 15-3/8 3/16 14.975 .070 .210 .005 380.37 1.78 5.33 0.13
385 16 16-3/8 3/16 15.955 .075 .210 .005 405.26 1.91 5.33 0.13
386 17 17-3/8 3/16 16.955 .080 .210 .005 430.66 2.03 5.33 0.13
387 18 18-3/8 3/16 17.955 .085 .210 .005 456.06 2.16 5.33 0.13
388 19 19-3/8 3/16 18.955 .090 .210 .005 481.46 2.29 5.33 0.13
389 20 20-3/8 3/16 19.955 .095 .210 .005 506.86 2.41 5.33 0.13
390 21 21-3/8 3/16 20.955 .095 .210 .005 532.26 2.41 5.33 0.13
391 22 22-3/8 3/16 21.955 .100 .210 .005 557.66 2.54 5.33 0.13
392 23 23-3/8 3/16 22.940 .105 .210 .005 582.68 2.67 5.33 0.13
393 24 24-3/8 3/16 23.940 .110 .210 .005 608.08 2.79 5.33 0.13
394 25 25-3/8 3/16 24.940 .115 .210 .005 633.48 2.92 5.33 0.13
395 26 26-3/8 3/16 25.940 .120 .210 .005 658.88 3.05 5.33 0.13

 

0.275” (1/4″ Nominal)

6.99mm Cross Section

Size Reference ID (nom) OD (nom) CS (nom) ID (inch) ± CS (inch) ± ID (mm) ± CS (mm) ±
400 1-3/8 1-7/8 1/4 1.350 .012 .275 .006 34.29 0.30 6.99 0.15
401 1-1/2 2 1/4 1.475 .014 .275 .006 37.47 0.36 6.99 0.15
402 1-5/8 2-1/8 1/4 1.600 .015 .275 .006 40.64 0.38 6.99 0.15
403 1-3/4 2-1/4 1/4 1.725 .016 .275 .006 43.82 0.41 6.99 0.15
404 1-7/8 2-3/8 1/4 1.850 .016 .275 .006 46.99 0.41 6.99 0.15
405 2 2-1/2 1/4 1.975 .017 .275 .006 50.17 0.43 6.99 0.15
406 2-1/8 2-5/8 1/4 2.100 .018 .275 .006 53.34 0.46 6.99 0.15
407 2-1/4 2-3/4 1/4 2.225 .018 .275 .006 56.52 0.46 6.99 0.15
408 2-3/8 2-7/8 1/4 2.350 .020 .275 .006 59.69 0.51 6.99 0.15
409 2-1/2 3 1/4 2.475 .020 .275 .006 62.87 0.51 6.99 0.15
410 2-5/8 3-1/8 1/4 2.600 .020 .275 .006 66.04 0.51 6.99 0.15
411 2-3/4 3-1/4 1/4 2.725 .022 .275 .006 69.22 0.56 6.99 0.15
412 2-7/8 3-3/8 1/4 2.850 .022 .275 .006 72.39 0.56 6.99 0.15
413 3 3-1/2 1/4 2.975 .024 .275 .006 75.57 0.61 6.99 0.15
414 3-1/8 3-5/8 1/4 3.100 .024 .275 .006 78.74 0.61 6.99 0.15
415 3-1/4 3-3/4 1/4 3.225 .024 .275 .006 81.92 0.61 6.99 0.15
416 3-3/8 3-7/8 1/4 3.350 .026 .275 .006 85.09 0.66 6.99 0.15
417 3-1/2 4 1/4 3.475 .026 .275 .006 88.27 0.66 6.99 0.15
418 3-5/8 4-1/8 1/4 3.600 .026 .275 .006 91.44 0.66 6.99 0.15
419 3-3/4 4-1/4 1/4 3.725 .028 .275 .006 94.62 0.71 6.99 0.15
420 3-7/8 4-3/8 1/4 3.850 .028 .275 .006 97.79 0.71 6.99 0.15
421 4 4-1/2 1/4 3.975 .028 .275 .006 100.97 0.71 6.99 0.15
422 4-1/8 4-5/8 1/4 4.100 .030 .275 .006 104.14 0.76 6.99 0.15
423 4-1/4 4-3/4 1/4 4.225 .030 .275 .006 107.32 0.76 6.99 0.15
424 4-3/8 4-7/8 1/4 4.350 .030 .275 .006 110.49 0.76 6.99 0.15
425 4-1/2 5 1/4 4.475 .033 .275 .006 113.67 0.84 6.99 0.15
426 4-5/8 5-1/8 1/4 4.600 .033 .275 .006 116.84 0.84 6.99 0.15
427 4-3/4 5-1/4 1/4 4.725 .033 .275 .006 120.02 0.84 6.99 0.15
428 4-7/8 5-3/8 1/4 4.850 .033 .275 .006 123.19 0.84 6.99 0.15
429 5 5-1/2 1/4 4.975 .037 .275 .006 126.37 0.94 6.99 0.15
430 5-1/8 5-5/8 1/4 5.100 .037 .275 .006 129.54 0.94 6.99 0.15
431 5-1/4 5-3/4 1/4 5.225 .037 .275 .006 132.72 0.94 6.99 0.15
432 5-3/8 5-7/8 1/4 5.350 .037 .275 .006 135.89 0.94 6.99 0.15
433 5-1/2 6 1/4 5.475 .037 .275 .006 139.07 0.94 6.99 0.15
434 5-5/8 6-1/8 1/4 5.600 .037 .275 .006 142.24 0.94 6.99 0.15
435 5-3/4 6-1/4 1/4 5.725 .037 .275 .006 145.42 0.94 6.99 0.15
436 5-7/8 6-3/8 1/4 5.850 .037 .275 .006 148.59 0.94 6.99 0.15
437 6 6-1/2 1/4 5.975 .037 .275 .006 151.77 0.94 6.99 0.15
438 6-1/4 6-3/4 1/4 6.225 .040 .275 .006 158.12 1.02 6.99 0.15
439 6-1/2 7 1/4 6.475 .040 .275 .006 164.47 1.02 6.99 0.15
440 6-3/4 7-1/4 1/4 6.725 .040 .275 .006 170.82 1.02 6.99 0.15
441 7 7-1/2 1/4 6.975 .040 .275 .006 177.17 1.02 6.99 0.15
442 7-1/4 7-3/4 1/4 7.225 .045 .275 .006 183.52 1.14 6.99 0.15
443 7-1/2 8 1/4 7.475 .045 .275 .006 189.87 1.14 6.99 0.15
444 7-3/4 8-1/4 1/4 7.725 .045 .275 .006 196.22 1.14 6.99 0.15
445 8 8-1/2 1/4 7.975 .045 .275 .006 202.57 1.14 6.99 0.15
446 8-1/2 9 1/4 8.475 .055 .275 .006 215.27 1.40 6.99 0.15
447 9 9-1/2 1/4 8.975 .055 .275 .006 227.97 1.40 6.99 0.15
448 9-1/2 10 1/4 9.475 .055 .275 .006 240.67 1.40 6.99 0.15
449 10 10-1/2 1/4 9.975 .055 .275 .006 253.37 1.40 6.99 0.15
450 10-1/2 11 1/4 10.475 .060 .275 .006 266.07 1.52 6.99 0.15
451 11 11-1/2 1/4 10.975 .060 .275 .006 278.77 1.52 6.99 0.15
452 11-1/2 12 1/4 11.475 .060 .275 .006 291.47 1.52 6.99 0.15
453 12 12-1/2 1/4 11.975 .060 .275 .006 304.17 1.52 6.99 0.15
454 12-1/2 13 1/4 12.475 .060 .275 .006 316.87 1.52 6.99 0.15
455 13 13-1/2 1/4 12.975 .060 .275 .006 329.57 1.52 6.99 0.15
456 13-1/2 14 1/4 13.475 .070 .275 .006 342.27 1.78 6.99 0.15
457 14 14-1/2 1/4 13.975 .070 .275 .006 354.97 1.78 6.99 0.15
458 14-1/2 15 1/4 14.475 .070 .275 .006 367.67 1.78 6.99 0.15
459 15 15-1/2 1/4 14.975 .070 .275 .006 380.37 1.78 6.99 0.15
460 15-1/2 16 1/4 15.475 .070 .275 .006 393.07 1.78 6.99 0.15
461 16 16-1/2 1/4 15.955 .075 .275 .006 405.26 1.91 6.99 0.15
462 16-1/2 17 1/4 16.455 .075 .275 .006 417.96 1.91 6.99 0.15
463 17 17-1/2 1/4 16.955 .080 .275 .006 430.66 2.03 6.99 0.15
464 17-1/2 18 1/4 17.455 .085 .275 .006 443.36 2.16 6.99 0.15
465 18 18-1/2 1/4 17.955 .085 .275 .006 456.06 2.16 6.99 0.15
466 18-1/2 19 1/4 18.455 .085 .275 .006 468.76 2.16 6.99 0.15
467 19 19-1/2 1/4 18.955 .090 .275 .006 481.46 2.29 6.99 0.15
468 19-1/2 20 1/4 19.455 .090 .275 .006 494.16 2.29 6.99 0.15
469 20 20-1/2 1/4 19.955 .095 .275 .006 506.86 2.41 6.99 0.15
470 21 21-1/2 1/4 20.955 .095 .275 .006 532.26 2.41 6.99 0.15
471 22 22-1/2 1/4 21.955 .100 .275 .006 557.66 2.54 6.99 0.15
472 23 23-1/2 1/4 22.940 .105 .275 .006 582.68 2.67 6.99 0.15
473 24 24-1/2 1/4 23.940 .110 .275 .006 608.08 2.79 6.99 0.15
474 25 25-1/2 1/4 24.940 .115 .275 .006 633.48 2.92 6.99 0.15
475 26 26-1/2 1/4 25.940 .120 .275 .006 658.88 3.05 6.99 0.15

 

SAE Straight Thread Boss Seals

Size Reference Tube OD (nom) ID (inch) ± CS (inch) ± ID (mm) ± CS (mm) ±
901 3/32 .185 .005 .056 .003 4.70 0.13 1.42 0.08
902 1/8 .239 .005 .064 .003 6.07 0.13 1.63 0.08
903 3/16 .301 .005 .064 .003 7.65 0.13 1.63 0.08
904 1/4 .351 .005 .072 .003 8.92 0.13 1.83 0.08
905 5/16 .414 .005 .072 .003 10.52 0.13 1.83 0.08
906 3/8 .468 .005 .078 .003 11.89 0.13 1.98 0.08
907 7/16 .530 .007 .082 .003 13.46 0.18 2.08 0.08
908 1/2 .644 .009 .087 .003 16.36 0.23 2.21 0.08
909 9/16 .706 .009 .097 .003 17.93 0.23 2.46 0.08
910 5/8 .755 .009 .097 .003 19.18 0.23 2.46 0.08
911 11/16 .863 .009 .116 .004 21.92 0.23 2.95 0.10
912 3/4 .924 .009 .116 .004 23.47 0.23 2.95 0.10
913 13/16 .986 .010 .116 .004 25.04 0.26 2.95 0.10
914 7/8 1.047 .010 .116 .004 26.59 0.26 2.95 0.10
916 1 1.171 .010 .116 .004 29.74 0.26 2.95 0.10
918 1-1/8 1.355 .012 .116 .004 32.42 0.30 2.95 0.10
920 1-1/4 1.475 .014 .118 .004 37.47 0.36 3.00 0.10
924 1-1/2 1.720 .014 .118 .004 43.69 0.36 3.00 0.10
928 1-3/4 2.090 .018 .118 .004 53.09 0.46 3.00 0.10
932 2 2.337 .018 .118 .004 59.36 0.46 3.00 0.10

 

BS Extended Range

Featuring in-between and extended range of imperial sizes based off the BS1806 standard.

BS Extended Range O’rings

Size Ref ID (inch) ± CS (inch) ± ID (mm) ± CS (mm) ±
1.02mm CS
606 0.070 0.005 0.040 0.003 1.78 0.13 1.02 0.08
1.78mm CS
801 0.125 0.005 0.070 0.003 3.17 0.13 1.78 0.08
802 0.187 0.005 0.070 0.003 4.76 0.13 1.78 0.08
803 0.250 0.005 0.070 0.003 6.35 0.13 1.78 0.08
610 0.266 0.005 0.070 0.003 6.75 0.13 1.78 0.08
804 0.313 0.005 0.070 0.003 7.94 0.13 1.78 0.08
611 0.343 0.005 0.070 0.003 8.73 0.13 1.78 0.08
806 0.437 0.005 0.070 0.003 11.11 0.13 1.78 0.08
517 1.427 0.014 0.070 0.003 36.27 0.36 1.78 0.08
519 1.553 0.015 0.070 0.003 39.45 0.38 1.78 0.08
532 3.110 0.024 0.070 0.003 79.00 0.61 1.78 0.08
534 3.360 0.026 0.070 0.003 85.34 0.66 1.78 0.08
536 3.610 0.026 0.070 0.003 91.70 0.66 1.78 0.08
538 3.860 0.028 0.070 0.003 98.05 0.71 1.78 0.08
540 4.110 0.030 0.070 0.003 104.40 0.76 1.78 0.08
542 4.360 0.030 0.070 0.003 110.74 0.76 1.78 0.08
544 4.610 0.033 0.070 0.003 117.10 0.84 1.78 0.08
546 4.860 0.035 0.070 0.003 123.44 0.89 1.78 0.08
548 5.094 0.035 0.070 0.003 129.40 0.89 1.78 0.08
550 5.345 0.035 0.070 0.003 135.76 0.89 1.78 0.08
551 5.470 0.035 0.070 0.003 138.94 0.89 1.78 0.08
552 5.595 0.040 0.070 0.003 142.11 1.02 1.78 0.08
553 5.720 0.040 0.070 0.003 145.29 1.02 1.78 0.08
554 5.845 0.040 0.070 0.003 148.46 1.02 1.78 0.08
555 5.970 0.040 0.070 0.003 151.64 1.02 1.78 0.08
556 6.095 0.040 0.070 0.003 154.81 1.02 1.78 0.08
557 6.220 0.040 0.070 0.003 158.00 1.02 1.78 0.08
558 6.345 0.040 0.070 0.003 161.16 1.02 1.78 0.08
559 6.470 0.040 0.070 0.003 164.34 1.02 1.78 0.08
560 6.595 0.045 0.070 0.003 167.51 1.14 1.78 0.08
561 6.720 0.045 0.070 0.003 170.69 1.14 1.78 0.08
562 6.845 0.045 0.070 0.003 173.87 1.14 1.78 0.08
2.62mm CS
613 0.389 0.005 0.103 0.003 9.90 0.13 2.62 0.08
614 0.469 0.006 0.103 0.003 11.91 0.15 2.62 0.08
807 0.500 0.006 0.103 0.003 12.70 0.15 2.62 0.08
615 0.516 0.006 0.103 0.003 13.10 0.15 2.62 0.08
616 0.594 0.007 0.103 0.003 15.08 0.18 2.62 0.08
809 0.625 0.007 0.103 0.003 15.88 0.18 2.62 0.08
810 0.687 0.008 0.103 0.003 17.46 0.20 2.62 0.08
617 0.703 0.008 0.103 0.003 17.86 0.20 2.62 0.08
812 0.813 0.009 0.103 0.003 20.64 0.23 2.62 0.08
813 0.875 0.009 0.103 0.003 22.23 0.23 2.62 0.08
814 0.937 0.010 0.103 0.003 23.81 0.25 2.62 0.08
640 2.925 0.022 0.103 0.003 74.30 0.56 2.62 0.08
641 3.051 0.024 0.103 0.003 77.50 0.61 2.62 0.08
642 3.173 0.024 0.103 0.003 80.60 0.61 2.62 0.08
643 3.299 0.026 0.103 0.003 83.80 0.66 2.62 0.08
3.53mm CS
618 1.016 0.010 0.139 0.004 25.80 0.25 3.53 0.10
824 1.563 0.015 0.139 0.004 39.70 0.38 3.53 0.10
825 1.625 0.015 0.139 0.004 41.28 0.38 3.53 0.10
826 1.687 0.015 0.139 0.004 42.86 0.38 3.53 0.10
827 1.750 0.016 0.139 0.004 44.45 0.41 3.53 0.10
828 1.813 0.016 0.139 0.004 46.04 0.41 3.53 0.10
829 1.875 0.017 0.139 0.004 47.62 0.43 3.53 0.10
830 1.937 0.017 0.139 0.004 49.20 0.43 3.53 0.10
831 2.000 0.018 0.139 0.004 50.80 0.46 3.53 0.10
832 2.063 0.018 0.139 0.004 52.40 0.46 3.53 0.10
833 2.125 0.018 0.139 0.004 53.97 0.46 3.53 0.10
834 2.187 0.018 0.139 0.004 55.56 0.46 3.53 0.10
835 2.250 0.020 0.139 0.004 57.15 0.51 3.53 0.10
836 2.313 0.020 0.139 0.004 58.74 0.51 3.53 0.10
837 2.375 0.020 0.139 0.004 60.32 0.51 3.53 0.10
838 2.437 0.020 0.139 0.004 61.90 0.51 3.53 0.10
839 2.500 0.020 0.139 0.004 63.50 0.51 3.53 0.10
840 2.563 0.020 0.139 0.004 65.10 0.51 3.53 0.10
841 2.625 0.022 0.139 0.004 66.67 0.56 3.53 0.10
842 2.687 0.022 0.139 0.004 68.26 0.56 3.53 0.10
843 2.750 0.022 0.139 0.004 69.85 0.56 3.53 0.10
844 2.813 0.022 0.139 0.004 71.44 0.56 3.53 0.10
845 2.875 0.022 0.139 0.004 73.02 0.56 3.53 0.10
846 2.937 0.022 0.139 0.004 74.60 0.56 3.53 0.10
5.33mm CS
619 2.938 0.022 0.210 0.005 74.63 0.56 5.33 0.13
620 3.139 0.024 0.210 0.005 79.73 0.61 5.33 0.13
621 3.531 0.026 0.210 0.005 89.69 0.66 5.33 0.13
622 3.937 0.028 0.210 0.005 100.00 0.71 5.33 0.13
623 4.313 0.030 0.210 0.005 109.54 0.76 5.33 0.13
860 4.625 0.033 0.210 0.005 117.48 0.84 5.33 0.13
861 4.750 0.035 0.210 0.005 120.65 0.89 5.33 0.13
862 4.875 0.035 0.210 0.005 123.83 0.89 5.33 0.13
863 5.000 0.035 0.210 0.005 127.00 0.89 5.33 0.13
864 5.125 0.035 0.210 0.005 130.18 0.89 5.33 0.13
865 5.250 0.035 0.210 0.005 133.35 0.89 5.33 0.13
866 5.375 0.035 0.210 0.005 136.53 0.89 5.33 0.13
867 5.500 0.035 0.210 0.005 139.70 0.89 5.33 0.13
868 5.625 0.040 0.210 0.005 142.88 1.02 5.33 0.13
869 5.750 0.040 0.210 0.005 146.05 1.02 5.33 0.13
870 5.875 0.040 0.210 0.005 149.23 1.02 5.33 0.13
644 6.102 0.040 0.210 0.005 155.00 1.02 5.33 0.13
645 6.350 0.040 0.210 0.005 161.30 1.02 5.33 0.13
646 6.602 0.045 0.210 0.005 167.70 1.14 5.33 0.13
647 6.850 0.045 0.210 0.005 174.00 1.14 5.33 0.13
6.99mm CS
624 4.516 0.030 0.275 0.006 114.70 0.76 6.99 0.15
625 4.906 0.035 0.275 0.006 124.60 0.89 6.99 0.15
626 5.295 0.035 0.275 0.006 134.50 0.89 6.99 0.15
872 6.126 0.040 0.275 0.006 155.60 1.02 6.99 0.15
627 6.280 0.040 0.275 0.006 159.50 1.02 6.99 0.15
874 5.587 0.040 0.275 0.006 161.90 1.02 6.99 0.15
628 6.563 0.045 0.275 0.006 166.70 1.14 6.99 0.15
876 6.626 0.045 0.275 0.006 168.30 1.14 6.99 0.15
878 6.874 0.045 0.275 0.006 174.60 1.14 6.99 0.15
880 7.126 0.045 0.275 0.006 181.00 1.14 6.99 0.15
882 7.374 0.045 0.275 0.006 187.30 1.14 6.99 0.15
884 7.626 0.050 0.275 0.006 193.70 1.27 6.99 0.15
886 7.874 0.050 0.275 0.006 200.00 1.27 6.99 0.15
674 8.225 0.050 0.275 0.006 208.92 1.27 6.99 0.15
676 8.725 0.050 0.275 0.006 221.62 1.27 6.99 0.15
678 9.225 0.055 0.275 0.006 234.32 1.40 6.99 0.15
680 9.724 0.055 0.275 0.006 247.00 1.40 6.99 0.15
682 10.224 0.060 0.275 0.006 259.70 1.52 6.99 0.15
684 10.724 0.060 0.275 0.006 272.40 1.52 6.99 0.15
686 11.224 0.060 0.275 0.006 285.10 1.52 6.99 0.15
688 11.724 0.070 0.275 0.006 297.80 1.78 6.99 0.15
648 12.224 0.070 0.275 0.006 310.50 1.78 6.99 0.15
649 12.724 0.070 0.275 0.006 323.20 1.78 6.99 0.15
650 13.224 0.070 0.275 0.006 335.90 1.78 6.99 0.15

 

Metric sizes

Japanese Industrial Standard as per the Japanese Standards Association.

 

JIS B 2401 Piston (P)

Size Reference ID (mm) ± CS (mm) ± ID (inch) ± CS (inch) ±
P3 2.8 0.14 1.9 0.08 .110 .006 .075 .003
P4 3.8 0.14 1.9 0.08 .150 .006 .075 .003
P5 4.8 0.15 1.9 0.08 .189 .006 .075 .003
P6 5.8 0.15 1.9 0.08 .228 .006 .075 .003
P7 6.8 0.16 1.9 0.08 .268 .006 .075 .003
P8 7.8 0.16 1.9 0.08 .307 .006 .075 .003
P9 8.8 0.17 1.9 0.08 .346 .007 .075 .003
P10 9.8 0.17 1.9 0.08 .386 .007 .075 .003
P10A 9.8 0.17 2.4 0.09 .386 .007 .094 .004
P11 10.8 0.18 2.4 0.09 .425 .007 .094 .004
P11.2 11.0 0.18 2.4 0.09 .433 .007 .094 .004
P12 11.8 0.19 2.4 0.09 .465 .007 .094 .004
P12.5 12.3 0.19 2.4 0.09 .484 .007 .094 .004
P14 13.8 0.19 2.4 0.09 .543 .007 .094 .004
P15 14.8 0.20 2.4 0.09 .583 .008 .094 .004
P16 15.8 0.20 2.4 0.09 .622 .008 .094 .004
P18 17.8 0.21 2.4 0.09 .701 .008 .094 .004
P20 19.8 0.22 2.4 0.09 .780 .009 .094 .004
P21 20.8 0.23 2.4 0.09 .819 .009 .094 .004
P22 21.8 0.24 2.4 0.09 .858 .009 .094 .004
P22A 21.7 0.24 3.5 0.10 .854 .009 .138 .004
P22.4 22.1 0.24 3.5 0.10 .870 .009 .138 .004
P24 23.7 0.24 3.5 0.10 .933 .009 .138 .004
P25 24.7 0.25 3.5 0.10 .972 .010 .138 .004
P25.5 25.2 0.25 3.5 0.10 .992 .010 .138 .004
P26 25.7 0.26 3.5 0.10 1.012 .010 .138 .004
P28 27.7 0.28 3.5 0.10 1.091 .011 .138 .004
P29 28.7 0.29 3.5 0.10 1.130 .011 .138 .004
P29.5 29.2 0.29 3.5 0.10 1.150 .011 .138 .004
P30 29.7 0.29 3.5 0.10 1.169 .011 .138 .004
P31 30.7 0.30 3.5 0.10 1.209 .012 .138 .004
P31.5 31.2 0.31 3.5 0.10 1.228 .012 .138 .004
P32 31.7 0.31 3.5 0.10 1.248 .012 .138 .004
P34 33.7 0.33 3.5 0.10 1.327 .013 .138 .004
P35 34.7 0.34 3.5 0.10 1.366 .013 .138 .004
P35.5 35.2 0.34 3.5 0.10 1.386 .013 .138 .004
P36 35.7 0.34 3.5 0.10 1.406 .013 .138 .004
P38 37.7 0.37 3.5 0.10 1.484 .015 .138 .004
P39 38.7 0.37 3.5 0.10 1.524 .015 .138 .004
P40 39.7 0.37 3.5 0.10 1.563 .015 .138 .004
P41 40.7 0.38 3.5 0.10 1.602 .015 .138 .004
P42 41.7 0.39 3.5 0.10 1.642 .015 .138 .004
P44 43.7 0.41 3.5 0.10 1.720 .016 .138 .004
P45 44.7 0.41 3.5 0.10 1.760 .016 .138 .004
P46 45.7 0.42 3.5 0.10 1.799 .017 .138 .004
P48 47.7 0.44 3.5 0.10 1.878 .017 .138 .004
P49 48.7 0.45 3.5 0.10 1.917 .018 .138 .004
P50 49.7 0.45 3.5 0.10 1.957 .018 .138 .004
P44.5 44.5 0.41 5.7 0.13 1.752 .016 .224 .005
P48A 47.6 0.44 5.7 0.13 1.874 .017 .224 .005
P50A 49.6 0.45 5.7 0.13 1.953 .018 .224 .005
P52 51.6 0.47 5.7 0.13 2.031 .019 .224 .005
P53 52.6 0.48 5.7 0.13 2.071 .019 .224 .005
P55 54.6 0.49 5.7 0.13 2.150 .019 .224 .005
P56 55.6 0.50 5.7 0.13 2.189 .020 .224 .005
P58 57.6 0.52 5.7 0.13 2.268 .020 .224 .005
P60 59.6 0.53 5.7 0.13 2.346 .021 .224 .005
P62 61.6 0.55 5.7 0.13 2.661 .022 .224 .005
P63 62.6 0.56 5.7 0.13 2.465 .022 .224 .005
P65 64.6 0.57 5.7 0.13 2.543 .022 .224 .005
P67 66.6 0.59 5.7 0.13 2.622 .023 .224 .005
P70 69.6 0.61 5.7 0.13 2.740 .024 .224 .005
P71 70.6 0.62 5.7 0.13 2.780 .024 .224 .005
P75 74.6 0.65 5.7 0.13 2.937 .026 .224 .005
P80 79.6 0.69 5.7 0.13 3.134 .027 .224 .005
P85 84.6 0.73 5.7 0.13 3.331 .029 .224 .005
P90 89.6 0.77 5.7 0.13 3.528 .030 .224 .005
P95 94.6 0.81 5.7 0.13 3.724 .032 .224 .005
P100 99.6 0.84 5.7 0.13 3.921 .033 .224 .005
P102 101.6 0.85 5.7 0.13 4.000 .033 .224 .005
P105 104.6 0.87 5.7 0.13 4.118 .034 .224 .005
P110 109.6 0.91 5.7 0.13 4.315 .036 .224 .005
P112 111.6 0.92 5.7 0.13 4.394 .036 .224 .005
P115 114.6 0.94 5.7 0.13 4.512 .037 .224 .005
P120 119.6 0.98 5.7 0.13 4.709 .039 .224 .005
P125 124.6 1.01 5.7 0.13 4.906 .040 .224 .005
P130 129.6 1.05 5.7 0.13 5.102 .041 .224 .005
P132 131.6 1.06 5.7 0.13 5.181 .042 .224 .005
P135 134.6 1.09 5.7 0.13 5.299 .043 .224 .005
P140 139.6 1.12 5.7 0.13 5.496 .044 .224 .005
P145 144.6 1.16 5.7 0.13 5.693 .046 .224 .005
P150 149.6 1.19 5.7 0.13 5.890 .047 .224 .005
P150A 149.5 1.19 8.4 0.15 5.886 .047 .331 .006
P155 154.5 1.23 8.4 0.15 6.083 .048 .331 .006
P160 159.5 1.26 8.4 0.15 6.280 .050 .331 .006
P165 164.5 1.30 8.4 0.15 6.476 .051 .331 .006
P170 169.5 1.33 8.4 0.15 6.673 .052 .331 .006
P175 174.5 1.37 8.4 0.15 6.870 .054 .331 .006
P180 179.5 1.40 8.4 0.15 7.067 .055 .331 .006
P185 184.5 1.44 8.4 0.15 7.264 .057 .331 .006
P190 189.5 1.48 8.4 0.15 7.461 .058 .331 .006
P195 194.5 1.51 8.4 0.15 7.657 .059 .331 .006
P200 199.5 1.55 8.4 0.15 7.854 .061 .331 .006
P205 204.5 1.58 8.4 0.15 8.051 .062 .331 .006
P209 208.5 1.61 8.4 0.15 8.209 .063 .331 .006
P210 209.5 1.62 8.4 0.15 8.248 .064 .331 .006
P215 214.5 1.65 8.4 0.15 8.445 .065 .331 .006
P220 219.5 1.68 8.4 0.15 8.642 .066 .331 .006
P225 224.5 1.71 8.4 0.15 8.839 .067 .331 .006
P230 229.5 1.75 8.4 0.15 9.035 .069 .331 .006
P235 234.5 1.78 8.4 0.15 9.232 .070 .331 .006
P240 239.5 1.81 8.4 0.15 9.429 .071 .331 .006
P245 244.5 1.84 8.4 0.15 9.626 .072 .331 .006
P250 249.5 1.88 8.4 0.15 9.823 .074 .331 .006
P255 254.5 1.91 8.4 0.15 10.020 .075 .331 .006
P260 259.5 1.94 8.4 0.15 10.217 .076 .331 .006
P265 264.5 1.97 8.4 0.15 10.413 .078 .331 .006
P270 269.5 2.01 8.4 0.15 10.610 .079 .331 .006
P275 274.5 2.04 8.4 0.15 10.807 .080 .331 .006
P280 279.5 2.07 8.4 0.15 11.004 .081 .331 .006
P285 284.5 2.10 8.4 0.15 11.201 .083 .331 .006
P290 289.5 2.14 8.4 0.15 11.398 .084 .331 .006
P295 294.5 2.17 8.4 0.15 11.594 .085 .331 .006
P300 299.5 2.20 8.4 0.15 11.791 .087 .331 .006
P315 314.5 2.30 8.4 0.15 12.382 .091 .331 .006
P320 319.5 2.33 8.4 0.15 12.579 .092 .331 .006
P335 334.5 2.42 8.4 0.15 13.169 .095 .331 .006
P340 339.5 2.45 8.4 0.15 13.366 .096 .331 .006
P355 354.5 2.54 8.4 0.15 13.957 .100 .331 .006
P360 359.5 2.57 8.4 0.15 14.154 .101 .331 .006
P375 374.5 2.67 8.4 0.15 14.744 .105 .331 .006
P385 384.5 2.73 8.4 0.15 15.138 .107 .331 .006
P400 399.5 2.82 8.4 0.15 15.728 .111 .331 .006

 

JIS B 2401 Gland (G)

Size Reference ID (mm) ± CS (mm) ± ID (inch) ± CS (inch) ±
G25 24.4 0.25 3.1 0.10 .961 .010 .122 .004
G30 29.4 0.29 3.1 0.10 1.157 .011 .122 .004
G35 34.4 0.33 3.1 0.10 1.354 .013 .122 .004
G40 39.4 0.37 3.1 0.10 1.551 .015 .122 .004
G45 44.4 0.41 3.1 0.10 1.748 .016 .122 .004
G50 49.4 0.45 3.1 0.10 1.945 .018 .122 .004
G55 54.4 0.49 3.1 0.10 2.142 .019 .122 .004
G60 59.4 0.53 3.1 0.10 2.339 .021 .122 .004
G65 64.4 0.57 3.1 0.10 2.535 .022 .122 .004
G70 69.4 0.61 3.1 0.10 2.732 .024 .122 .004
G75 74.4 0.65 3.1 0.10 2.929 .026 .122 .004
G80 79.4 0.69 3.1 0.10 3.126 .027 .122 .004
G85 84.4 0.73 3.1 0.10 3.323 .029 .122 .004
G90 89.4 0.77 3.1 0.10 3.520 .030 .122 .004
G95 94.4 0.81 3.1 0.10 3.717 .032 .122 .004
G100 99.4 0.85 3.1 0.10 3.913 .033 .122 .004
G105 104.4 0.87 3.1 0.10 4.110 .034 .122 .004
G110 109.4 0.91 3.1 0.10 4.307 .036 .122 .004
G115 114.4 0.94 3.1 0.10 4.504 .037 .122 .004
G120 119.4 0.98 3.1 0.10 4.701 .039 .122 .004
G125 124.4 1.01 3.1 0.10 4.898 .040 .122 .004
G130 129.4 1.05 3.1 0.10 5.094 .041 .122 .004
G135 134.4 1.08 3.1 0.10 5.291 .043 .122 .004
G140 139.4 1.12 3.1 0.10 5.488 .044 .122 .004
G145 144.4 1.16 3.1 0.10 5.685 .046 .122 .004
G150 149.3 1.19 5.7 0.13 5.878 .047 .224 .005
G155 154.3 1.23 5.7 0.13 6.075 .048 .224 .005
G160 159.3 1.26 5.7 0.13 6.272 .050 .224 .005
G165 164.3 1.30 5.7 0.13 6.469 .051 .224 .005
G170 169.3 1.33 5.7 0.13 6.665 .052 .224 .005
G175 174.3 1.37 5.7 0.13 6.862 .054 .224 .005
G180 179.3 1.40 5.7 0.13 7.059 .055 .224 .005
G185 184.3 1.44 5.7 0.13 7.256 .057 .224 .005
G190 189.3 1.47 5.7 0.13 7.453 .058 .224 .005
G195 194.3 1.51 5.7 0.13 7.650 .059 .224 .005
G200 199.3 1.55 5.7 0.13 7.846 .061 .224 .005
G210 209.3 1.61 5.7 0.13 8.240 .063 .224 .005
G220 219.3 1.68 5.7 0.13 8.634 .066 .224 .005
G230 229.3 1.73 5.7 0.13 9.028 .068 .224 .005
G240 239.3 1.81 5.7 0.13 9.421 .071 .224 .005
G250 249.3 1.88 5.7 0.13 9.815 .074 .224 .005
G260 259.3 1.94 5.7 0.13 10.209 .076 .224 .005
G270 269.3 2.01 5.7 0.13 10.602 .079 .224 .005
G280 279.3 2.07 5.7 0.13 10.996 .081 .224 .005
G290 289.3 2.14 5.7 0.13 11.390 .084 .224 .005
G300 299.3 2.20 5.7 0.13 11.783 .087 .224 .005

 

JIS B 2401 Vacuum (V)

Dimensions for vacuum flange.

Size Reference ID (mm) ± CS (mm) ± ID (inch) ± CS (inch) ±
V15 14.5 0.20 4.0 0.10 .571 .008 .157 .004
V24 23.5 0.24 4.0 0.10 .925 .009 .157 .004
V34 33.5 0.33 4.0 0.10 1.319 .013 .157 .004
V40 39.5 0.37 4.0 0.10 1.555 .015 .157 .004
V55 54.5 0.49 4.0 0.10 2.146 .019 .157 .004
V70 69.0 0.61 4.0 0.10 2.717 .024 .157 .004
V85 84.0 0.72 4.0 0.10 3.307 .028 .157 .004
V100 99.0 0.83 4.0 0.10 3.898 .033 .157 .004
V120 119.0 0.97 4.0 0.10 4.685 .038 .157 .004
V150 148.5 1.18 4.0 0.10 5.846 .046 .157 .004
V175 173.0 1.36 4.0 0.10 6.811 .054 .157 .004
V225 222.5 1.70 6.0 0.15 8.760 .067 .236 .006
V275 272.0 2.02 6.0 0.15 10.709 .080 .236 .006
V325 321.5 2.34 6.0 0.15 12.657 .092 .236 .006
V380 376.0 2.68 6.0 0.15 14.803 .106 .236 .006
V430 425.5 2.99 6.0 0.15 16.752 .118 .236 .006
V480 475.0 3.30 6.0 0.15 18.701 .130 .236 .006
V530 524.5 3.60 10.0 0.30 20.650 .142 .394 .012
V585 579.0 3.92 10.0 0.30 22.795 .154 .394 .012
V640 633.5 4.24 10.0 0.30 24.941 .167 .394 .012
V690 683.0 4.54 10.0 0.30 26.890 .179 .394 .012
V740 732.5 4.83 10.0 0.30 28.839 .190 .394 .012
V790 782.0 5.12 10.0 0.30 30.787 .202 .394 .012
V845 836.5 5.44 10.0 0.30 32.933 .214 .394 .012
V950 940.5 6.06 10.0 0.30 37.028 .239 .394 .012
V1055 1044.0 6.67 10.0 0.30 41.102 .263 .394 .012