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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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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)
1-025
0.070
0.003
1.176
0.011
1.316
1/16
1 3/16
1 5/16
1.8
29.9
33.4
1-026
0.070
0.003
1.239
0.011
1.379
1/16
1 1/4
1 3/8
1.8
31.5
35.0
1-027
0.070
0.003
1.301
0.011
1.441
1/16
1 5/16
1 7/16
1.8
33.0
36.6
1-028
0.070
0.003
1.364
0.013
1.504
1/16
1 3/8
1 1/2
1.8
34.6
38.2
1-029
0.070
0.003
1.489
0.013
1.629
1/16
1 1/2
1 5/8
1.8
37.8
41.4
1-030
0.070
0.003
1.614
0.013
1.754
1/16
1 5/8
1 3/4
1.8
41.0
44.6
1-031
0.070
0.003
1.739
0.015
1.879
1/16
1 3/4
1 7/8
1.8
44.2
47.7
1-032
0.070
0.003
1.864
0.015
2.004
1/16
1 7/8
2
1.8
47.3
50.9
1-033
0.070
0.003
1.989
0.018
2.129
1/16
2
2 1/8
1.8
50.5
54.1
1-034
0.070
0.003
2.114
0.018
2.254
1/16
2 1/8
2 1/4
1.8
53.7
57.3
1-035
0.070
0.003
2.239
0.018
2.379
1/16
2 1/4
2 3/8
1.8
56.9
60.4
1-036
0.070
0.003
2.364
0.018
2.504
1/16
2 3/8
2 1/2
1.8
60.0
63.6
1-037
0.070
0.003
2.489
0.018
2.629
1/16
2 1/2
2 5/8
1.8
63.2
66.8
1-038
0.070
0.003
2.614
0.020
2.754
1/16
2 5/8
2 3/4
1.8
66.4
70.0
1-039
0.070
0.003
2.739
0.020
2.879
1/16
2 3/4
2 7/8
1.8
69.6
73.1
1-040
0.070
0.003
2.864
0.020
3.004
1/16
2 7/8
3
1.8
72.7
76.3
1-041
0.070
0.003
2.989
0.024
3.129
1/16
3
3 1/8
1.8
75.9
79.5
1-042
0.070
0.003
3.239
0.024
3.379
1/16
3 1/4
3 3/8
1.8
82.3
85.8
1-043
0.070
0.003
3.489
0.024
3.629
1/16
3 1/2
3 5/8
1.8
88.6
92.2
1-044
0.070
0.003
3.739
0.027
3.879
1/16
3 3/4
3 7/8
1.8
95.0
98.5
1-045
0.070
0.003
3.989
0.027
4.129
1/16
4
4 1/8
1.8
101.3
104.9
1-046
0.070
0.003
4.239
0.030
4.379
1/16
4 1/4
4 3/8
1.8
107.7
111.2
1-047
0.070
0.003
4.489
0.030
4.629
1/16
4.5
4 5/8
1.8
114.0
117.6
1-048
0.070
0.003
4.739
0.030
4.879
1/16
4 3/4
4 7/8
1.8
120.4
123.9
1-049
0.070
0.003
4.989
0.037
5.129
1/16
5
5 1/8
1.8
126.7
130.3
Results 26 - 50 of 448
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