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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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48 (5Mb) Catalog illustrated with full-size drawings of Standard Size O-Rings plus Dimensions and Tolerances.
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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)
1-001
0.040
0.003
0.029
0.004
0.109
1/32
1/32
3/32
1.0
0.7
2.8
40-70
0.040
0.003
0.070
0.005
0.150
1/32
5/64
9/64
1.0
1.8
3.8
1-002
0.050
0.003
0.042
0.004
0.142
3/64
3/64
9/64
1.3
1.1
3.6
1-003
0.060
0.003
0.056
0.004
0.176
1/16
1/16
11/64
1.5
1.4
4.5
1-004
0.070
0.003
0.070
0.005
0.210
1/16
5/64
13/64
1.8
1.8
5.3
1-005
0.070
0.003
0.101
0.005
0.241
1/16
7/64
15/64
1.8
2.6
6.1
1-006
0.070
0.003
0.114
0.005
0.254
1/16
1/8
1/4
1.8
2.9
6.5
1-007
0.070
0.003
0.145
0.005
0.285
1/16
5/32
9/32
1.8
3.7
7.2
1-008
0.070
0.003
0.176
0.005
0.316
1/16
3/16
5/16
1.8
4.5
8.0
1-009
0.070
0.003
0.208
0.005
0.348
1/16
7/32
11/32
1.8
5.3
8.8
1-010
0.070
0.003
0.239
0.005
0.379
1/16
1/4
3/8
1.8
6.1
9.6
1-011
0.070
0.003
0.301
0.005
0.441
1/16
5/16
7/16
1.8
7.6
11.2
1-012
0.070
0.003
0.364
0.005
0.504
1/16
3/8
1/2
1.8
9.2
12.8
1-013
0.070
0.003
0.426
0.005
0.566
1/16
7/16
9/16
1.8
10.8
14.4
1-014
0.070
0.003
0.489
0.005
0.629
1/16
1/2
5/8
1.8
12.4
16.0
1-015
0.070
0.003
0.551
0.007
0.691
1/16
9/16
11/16
1.8
14.0
17.6
1-016
0.070
0.003
0.614
0.009
0.754
1/16
5/8
3/4
1.8
15.6
19.2
1-017
0.070
0.003
0.676
0.009
0.816
1/16
11/16
13/16
1.8
17.2
20.7
1-018
0.070
0.003
0.739
0.009
0.879
1/16
3/4
7/8
1.8
18.8
22.3
1-019
0.070
0.003
0.801
0.009
0.941
1/16
13/16
15/16
1.8
20.3
23.9
1-020
0.070
0.003
0.864
0.009
1.004
1/16
7/8
1
1.8
21.9
25.5
1-021
0.070
0.003
0.926
0.009
1.066
1/16
15/16
1 1/16
1.8
23.5
27.1
1-022
0.070
0.003
0.989
0.010
1.129
1/16
1
1 1/8
1.8
25.1
28.7
1-023
0.070
0.003
1.051
0.010
1.191
1/16
1 1/16
1 3/16
1.8
26.7
30.3
1-024
0.070
0.003
1.114
0.010
1.254
1/16
1 1/8
1 1/4
1.8
28.3
31.9
Results 1 - 25 of 448
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