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Standard Size O-Rings (Nominal Dimensions)
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Standard Size O-Rings (Nominal Dimensions)
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Explore our AS-568 & Extended Standard Size O-Rings including our new 5/32" Nominal Cross Section O-Rings. Precision Associates' O-Rings are available off the shelf in several standard compounds. Or try O-Rings in one of 1,200+ specialty materials in 20 polymer groups, including Viton®, AFLAS®, EPDM, Nitrile, HNBR (HSN), XNBR, Neoprene®, Butyl, XNBR, Silicone, Fluorosilicone, Perfluoroelastomer, Urethane, Hypalon®, and Hydrin®.
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Results 226 - 250 of 448
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Item #
C/S (inches)
C/S Tolerance (±)
I.D. (inches)
I.D. Tolerance (±)
O.D. (REF) (inches)
Nominal C/S (inches)
Nominal I.D. (inches)
Nominal O.D. (inches)
Metric C/S (mm)
Metric I.D. (mm)
Metric O.D. (mm)
1-308
0.210
0.005
0.350
0.005
0.770
3/16
3/8
3/4
5.3
8.9
19.6
1-309
0.210
0.005
0.412
0.005
0.832
3/16
7/16
13/16
5.3
10.5
21.1
1-310
0.210
0.005
0.475
0.005
0.895
3/16
1/2
7/8
5.3
12.1
22.7
1-311
0.210
0.005
0.537
0.007
0.959
3/16
9/16
15/16
5.3
13.6
24.4
1-312
0.210
0.005
0.600
0.009
1.022
3/16
5/8
1
5.3
15.2
26.0
1-313
0.210
0.005
0.662
0.009
1.084
3/16
11/16
1 1/16
5.3
16.8
27.5
1-314
0.210
0.005
0.725
0.010
1.147
3/16
3/4
1 1/8
5.3
18.4
29.1
1-315
0.210
0.005
0.787
0.010
1.209
3/16
13/16
1 3/16
5.3
20.0
30.7
1-316
0.210
0.005
0.850
0.010
1.270
3/16
7/8
1 1/4
5.3
21.6
32.3
1-317
0.210
0.005
0.912
0.010
1.334
3/16
15/16
1 5/16
5.3
23.2
33.9
1-318
0.210
0.005
0.975
0.010
1.395
3/16
1
1 3/8
5.3
24.8
35.4
1-319
0.210
0.005
1.037
0.010
1.457
3/16
1 1/16
1 7/16
5.3
26.3
37.0
1-320
0.210
0.005
1.100
0.012
1.520
3/16
1 1/8
1 1/2
5.3
27.9
38.6
1-321
0.210
0.005
1.162
0.012
1.582
3/16
1 3/16
1 9/16
5.3
29.5
40.2
1-322
0.210
0.005
1.225
0.012
1.645
3/16
1 1/4
1 5/8
5.3
31.1
41.8
1-323
0.210
0.005
1.287
0.012
1.707
3/16
1 5/16
1 11/16
5.3
32.7
43.4
1-324
0.210
0.005
1.350
0.012
1.770
3/16
1 3/8
1 3/4
5.3
34.3
45.0
1-325
0.210
0.005
1.475
0.015
1.895
3/16
1 1/2
1 7/8
5.3
37.5
48.1
1-326
0.210
0.005
1.600
0.015
2.020
3/16
1 5/8
2
5.3
40.6
51.3
1-327
0.210
0.005
1.725
0.015
2.145
3/16
1 3/4
2 1/8
5.3
43.8
54.5
1-328
0.210
0.005
1.850
0.015
2.270
3/16
1 7/8
2 1/4
5.3
47.0
57.7
1-329
0.210
0.005
1.975
0.018
2.395
3/16
2
2 3/8
5.3
50.2
60.8
1-330
0.210
0.005
2.100
0.018
2.520
3/16
2 1/8
2 1/2
5.3
53.3
64.0
1-331
0.210
0.005
2.225
0.018
2.645
3/16
2 1/4
2 5/8
5.3
56.5
67.2
1-332
0.210
0.005
2.350
0.018
2.770
3/16
2 3/8
2 3/4
5.3
59.7
70.4
Results 226 - 250 of 448
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