| |
BS 2 Series O-Ring Size Charts
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BS 2xx Series
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|
Nominal Size
|
Actual Size
|
|
BS
|
Inches
|
Inches
|
Millimetres
|
|
No
|
I.D.
|
W
|
I.D.
|
±
|
W
|
±
|
I.D.
|
±
|
W
|
±
|
|
201
|
3/16
|
1/8
|
0.171
|
0.005
|
0.139
|
0.004
|
4.34
|
0.12
|
3.53
|
0.10
|
|
202
|
1/4
|
1/8
|
0.234
|
0.005
|
0.139
|
0.004
|
5.94
|
0.12
|
3.53
|
0.10
|
|
203
|
5/16
|
1/8
|
0.296
|
0.005
|
0.139
|
0.004
|
7.52
|
0.12
|
3.53
|
0.10
|
|
204
|
3/8
|
1/8
|
0.359
|
0.005
|
0.139
|
0.004
|
9.12
|
0.12
|
3.53
|
0.10
|
|
205
|
7/16
|
1/8
|
0.421
|
0.005
|
0.139
|
0.004
|
10.69
|
0.12
|
3.53
|
0.10
|
|
206
|
1/2
|
1/8
|
0.484
|
0.005
|
0.139
|
0.004
|
12.29
|
0.12
|
3.53
|
0.10
|
|
207
|
9/16
|
1/8
|
0.546
|
0.005
|
0.139
|
0.004
|
13.87
|
0.12
|
3.53
|
0.10
|
|
208
|
5/8
|
1/8
|
0.609
|
0.005
|
0.139
|
0.004
|
15.47
|
0.12
|
3.53
|
0.10
|
|
209
|
11/16
|
1/8
|
0.671
|
0.005
|
0.139
|
0.004
|
17.04
|
0.12
|
3.53
|
0.10
|
|
210
|
3/4
|
1/8
|
0.734
|
0.006
|
0.139
|
0.004
|
18.64
|
0.15
|
3.53
|
0.10
|
|
211
|
13/16
|
1/8
|
0.796
|
0.006
|
0.139
|
0.004
|
20.22
|
0.15
|
3.53
|
0.10
|
|
212
|
7/8
|
1/8
|
0.859
|
0.006
|
0.139
|
0.004
|
21.82
|
0.15
|
3.53
|
0.10
|
|
213
|
15/16
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1/8
|
0.921
|
0.006
|
0.139
|
0.004
|
23.39
|
0.15
|
3.53
|
0.10
|
|
214
|
1
|
1/8
|
0.984
|
0.006
|
0.139
|
0.004
|
25.00
|
0.15
|
3.53
|
0.10
|
|
215
|
1 1/16
|
1/8
|
1.046
|
0.006
|
0.139
|
0.004
|
26.57
|
0.15
|
3.53
|
0.10
|
|
216
|
1 1/8
|
1/8
|
1.109
|
0.006
|
0.139
|
0.004
|
28.17
|
0.15
|
3.53
|
0.10
|
|
217
|
1 3/16
|
1/8
|
1.171
|
0.006
|
0.139
|
0.004
|
29.75
|
0.15
|
3.53
|
0.10
|
|
218
|
1 1/4
|
1/8
|
1.234
|
0.006
|
0.139
|
0.004
|
31.34
|
0.15
|
3.53
|
0.10
|
|
219
|
1 5/16
|
1/8
|
1.296
|
0.006
|
0.139
|
0.004
|
32.92
|
0.15
|
3.53
|
0.10
|
|
220
|
1 3/8
|
1/8
|
1.359
|
0.006
|
0.139
|
0.004
|
34.52
|
0.15
|
3.53
|
0.10
|
|
221
|
1 7/16
|
1/8
|
1.421
|
0.006
|
0.139
|
0.004
|
326.10
|
0.15
|
3.53
|
0.10
|
|
222
|
1 1/2
|
1/8
|
1.484
|
0.006
|
0.139
|
0.004
|
37.70
|
0.15
|
3.53
|
0.10
|
|
223
|
1 5/8
|
1/8
|
1.609
|
0.010
|
0.139
|
0.004
|
40.87
|
0.25
|
3.53
|
0.10
|
|
224
|
1 3/4
|
1/8
|
1.734
|
0.010
|
0.139
|
0.004
|
44.05
|
0.25
|
3.53
|
0.10
|
|
225
|
1 7/8
|
1/8
|
1.859
|
0.010
|
0.139
|
0.004
|
47.22
|
0.25
|
3.53
|
0.10
|
|
226
|
2
|
1/8
|
1.984
|
0.010
|
0.139
|
0.004
|
50.40
|
0.25
|
3.53
|
0.10
|
|
227
|
2 1/8
|
1/8
|
2.109
|
0.010
|
0.139
|
0.004
|
53.57
|
0.25
|
3.53
|
0.10
|
|
228
|
2 1/4
|
1/8
|
2.234
|
0.010
|
0.139
|
0.004
|
56.75
|
0.25
|
3.53
|
0.10
|
|
229
|
2 3/4
|
1/8
|
2.359
|
0.010
|
0.139
|
0.004
|
59.92
|
0.25
|
3.53
|
0.10
|
|
230
|
2 1/2
|
1/8
|
2.484
|
0.010
|
0.139
|
0.004
|
63.10
|
0.25
|
3.53
|
0.10
|
|
231
|
2 5/8
|
1/8
|
2.609
|
0.010
|
0.139
|
0.004
|
66.27
|
0.25
|
3.53
|
0.10
|
|
232
|
2 3/4
|
1/8
|
2.734
|
0.015
|
0.139
|
0.004
|
69.44
|
0.38
|
3.53
|
0.10
|
|
233
|
2 7/8
|
1/8
|
2.859
|
0.015
|
0.139
|
0.004
|
72.62
|
0.38
|
3.53
|
0.10
|
|
234
|
3
|
1/8
|
2.984
|
0.015
|
0.139
|
0.004
|
75.79
|
0.38
|
3.53
|
0.10
|
|
235
|
3 1/8
|
1/8
|
3.109
|
0.015
|
0.139
|
0.004
|
78.97
|
0.38
|
3.53
|
0.10
|
|
236
|
3 1/4
|
1/8
|
3.234
|
0.015
|
0.139
|
0.004
|
82.14
|
0.38
|
3.53
|
0.10
|
|
237
|
3 3/8
|
1/8
|
3.359
|
0.015
|
0.139
|
0.004
|
85.32
|
0.38
|
3.53
|
0.10
|
|
238
|
3 1/2
|
1/8
|
3.484
|
0.015
|
0.139
|
0.004
|
88.49
|
0.38
|
3.53
|
0.10
|
|
239
|
3 5/8
|
1/8
|
3.609
|
0.015
|
0.139
|
0.004
|
91.67
|
0.38
|
3.53
|
0.10
|
|
240
|
3 3/4
|
1/8
|
3.734
|
0.015
|
0.139
|
0.004
|
94.84
|
0.38
|
3.53
|
0.10
|
|
241
|
3 7/8
|
1/8
|
3.859
|
0.015
|
0.139
|
0.004
|
98.02
|
0.38
|
3.53
|
0.10
|
|
242
|
4
|
1/8
|
3.984
|
0.015
|
0.139
|
0.004
|
101.19
|
0.38
|
3.53
|
0.10
|
|
243
|
4 1/8
|
1/8
|
4.109
|
0.015
|
0.139
|
0.004
|
104.37
|
0.38
|
3.53
|
0.10
|
|
244
|
4 1/4
|
1/8
|
4.234
|
0.015
|
0.139
|
0.004
|
107.54
|
0.38
|
3.53
|
0.10
|
|
245
|
4 3/8
|
1/8
|
4.359
|
0.015
|
0.139
|
0.004
|
110.72
|
0.38
|
3.53
|
0.10
|
|
246
|
4 1/2
|
1/8
|
4.484
|
0.015
|
0.139
|
0.004
|
113.89
|
0.38
|
3.53
|
0.10
|
|
247
|
4 5/8
|
1/8
|
4.609
|
0.015
|
0.139
|
0.004
|
117.07
|
0.38
|
3.53
|
0.10
|
|
248
|
4 3/4
|
1/8
|
4.734
|
0.015
|
0.139
|
0.004
|
120.24
|
0.38
|
3.53
|
0.10
|
|
249
|
4 7/8
|
1/8
|
4.859
|
0.015
|
0.139
|
0.004
|
123.42
|
0.38
|
3.53
|
0.10
|
|
250
|
5
|
1/8
|
4.984
|
0.015
|
0.139
|
0.004
|
126.59
|
0.38
|
3.53
|
0.10
|
|
251
|
5 1/8
|
1/8
|
5.109
|
0.023
|
0.139
|
0.004
|
129.77
|
0.58
|
3.53
|
0.10
|
|
252
|
5 1/4
|
1/8
|
5.234
|
0.023
|
0.139
|
0.004
|
132.94
|
0.58
|
3.53
|
0.10
|
|
253
|
5 3/8
|
1/8
|
5.359
|
0.023
|
0.139
|
0.004
|
136.12
|
0.58
|
3.53
|
0.10
|
|
254
|
5 1/2
|
1/8
|
5.484
|
0.023
|
0.139
|
0.004
|
139.30
|
0.58
|
3.53
|
0.10
|
|
255
|
5 5/8
|
1/8
|
5.609
|
0.023
|
0.139
|
0.004
|
142.47
|
0.58
|
3.53
|
0.10
|
|
256
|
5 3/4
|
1/8
|
5.734
|
0.023
|
0.139
|
0.004
|
145.65
|
0.58
|
3.53
|
0.10
|
|
257
|
5 7/8
|
1/8
|
5.859
|
0.023
|
0.139
|
0.004
|
148.82
|
0.58
|
3.53
|
0.10
|
|
258
|
6
|
1/8
|
5.984
|
0.023
|
0.139
|
0.004
|
152.00
|
0.58
|
3.53
|
0.10
|
|
259
|
6 1/4
|
1/8
|
6.234
|
0.023
|
0.139
|
0.004
|
158.35
|
0.58
|
3.53
|
0.10
|
|
260
|
6 1/2
|
1/8
|
6.484
|
0.023
|
0.139
|
0.004
|
164.70
|
0.58
|
3.53
|
0.10
|
|
261
|
6 3/4
|
1/8
|
6.734
|
0.023
|
0.139
|
0.004
|
171.05
|
0.58
|
3.53
|
0.10
|
|
262
|
7
|
1/8
|
6.984
|
0.023
|
0.139
|
0.004
|
177.40
|
0.58
|
3.53
|
0.10
|
|
263
|
7 1/4
|
1/8
|
7.234
|
0.030
|
0.139
|
0.004
|
183.75
|
0.76
|
3.53
|
0.10
|
|
264
|
7 1/2
|
1/8
|
7.484
|
0.030
|
0.139
|
0.004
|
190.10
|
0.76
|
3.53
|
0.10
|
|
265
|
7 3/4
|
1/8
|
7.734
|
0.030
|
0.139
|
0.004
|
196.45
|
0.76
|
3.53
|
0.10
|
|
266
|
8
|
1/8
|
7.984
|
0.030
|
0.139
|
0.004
|
202.80
|
0.76
|
3.53
|
0.10
|
|
267
|
8 1/4
|
1/8
|
8.234
|
0.030
|
0.139
|
0.004
|
209.15
|
0.76
|
3.53
|
0.10
|
|
268
|
8 1/2
|
1/8
|
8.484
|
0.030
|
0.139
|
0.004
|
215.50
|
0.76
|
3.53
|
0.10
|
|
269
|
8 3/4
|
1/8
|
8.734
|
0.030
|
0.139
|
0.004
|
221.85
|
0.76
|
3.53
|
0.10
|
|
270
|
9
|
1/8
|
8.984
|
0.030
|
0.139
|
0.004
|
228.20
|
0.76
|
3.53
|
0.10
|
|
271
|
9 1/4
|
1/8
|
9.234
|
0.030
|
0.139
|
0.004
|
234.55
|
0.76
|
3.53
|
0.10
|
|
272
|
9 1/2
|
1/8
|
9.484
|
0.030
|
0.139
|
0.004
|
240.90
|
0.76
|
3.53
|
0.10
|
|
273
|
9 3/4
|
1/8
|
9.734
|
0.030
|
0.139
|
0.004
|
247.25
|
0.76
|
3.53
|
0.10
|
|
274
|
10
|
1/8
|
9.984
|
0.030
|
0.139
|
0.004
|
253.60
|
0.76
|
3.53
|
0.10
|
|
275
|
10 1/2
|
1/8
|
10.484
|
0.030
|
0.139
|
0.004
|
266.30
|
0.76
|
3.53
|
0.10
|
|
276
|
11
|
1/8
|
10.984
|
0.030
|
0.139
|
0.004
|
279.00
|
0.76
|
3.53
|
0.10
|
|
277
|
11 1/2
|
1/8
|
11.484
|
0.030
|
0.139
|
0.004
|
291.70
|
0.76
|
3.53
|
0.10
|
|
278
|
12
|
1/8
|
11.984
|
0.030
|
0.139
|
0.004
|
304.40
|
0.76
|
3.53
|
0.10
|
|
279
|
13
|
1/8
|
12.984
|
0.030
|
0.139
|
0.004
|
329.80
|
0.76
|
3.53
|
0.10
|
|
280
|
14
|
1/8
|
13.984
|
0.030
|
0.139
|
0.004
|
355.20
|
0.76
|
3.53
|
0.10
|
|
281
|
15
|
1/8
|
14.984
|
0.030
|
0.139
|
0.04
|
380.60
|
0.76
|
3.53
|
0.10
|
|
282
|
16
|
1/8
|
15.955
|
0.045
|
0.139
|
0.004
|
405.26
|
1.14
|
3.53
|
0.10
|
|
283
|
17
|
1/8
|
16.955
|
0.045
|
0.139
|
0.004
|
430.66
|
1.14
|
3.53
|
0.40
|
|
284
|
18
|
1/8
|
17.955
|
0.045
|
0.139
|
0.004
|
456.06
|
1.14
|
3.53
|
0.10
|
|
|
|