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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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Results 201 - 225 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)
1-261
0.139
0.004
6.734
0.040
7.012
1/8
6 3/4
7
3.5
171.0
178.1
1-262
0.139
0.004
6.984
0.040
7.262
1/8
7
7 1/4
3.5
177.4
184.5
1-263
0.139
0.004
7.234
0.045
7.512
1/8
7 1/2
7 1/2
3.5
183.7
190.8
1-264
0.139
0.004
7.484
0.045
7.762
1/8
7 1/4
7 3/4
3.5
190.1
197.2
1-265
0.139
0.004
7.734
0.045
8.012
1/8
7 3/4
8
3.5
196.4
203.5
1-266
0.139
0.004
7.984
0.045
8.262
1/8
8
8 1/4
3.5
202.8
209.9
1-267
0.139
0.004
8.234
0.050
8.512
1/8
8 1/4
8 1/2
3.5
209.1
216.2
1-268
0.139
0.004
8.484
0.050
8.762
1/8
8 1/2
8 3/4
3.5
215.5
222.6
1-269
0.139
0.004
8.734
0.050
9.012
1/8
8 3/4
9
3.5
221.8
228.9
1-270
0.139
0.004
8.984
0.050
9.262
1/8
9
9 1/4
3.5
228.2
235.3
1-271
0.139
0.004
9.234
0.055
9.512
1/8
9 1/4
9 1/2
3.5
234.5
241.6
1-272
0.139
0.004
9.484
0.055
9.762
1/8
9 1/2
9 3/4
3.5
240.9
248.0
1-273
0.139
0.004
9.734
0.055
10.012
1/8
9 3/4
10
3.5
247.2
254.3
1-274
0.139
0.004
9.984
0.055
10.262
1/8
10
10 1/4
3.5
253.6
260.7
1-275
0.139
0.004
10.484
0.055
10.762
1/8
10 1/2
10 3/4
3.5
266.3
273.4
1-276
0.139
0.004
10.984
0.065
11.262
1/8
11
11 1/4
3.5
279.0
286.1
1-277
0.139
0.004
11.484
0.065
11.762
1/8
11 1/2
11 3/4
3.5
291.7
298.8
1-278
0.139
0.004
11.984
0.065
12.262
1/8
12
12 1/4
3.5
304.4
311.5
1-279
0.139
0.004
12.984
0.065
13.262
1/8
13
13 1/4
3.5
329.8
336.9
1-280
0.139
0.004
13.984
0.065
14.262
1/8
14
14 1/4
3.5
355.2
362.3
1-281
0.139
0.004
14.984
0.065
15.262
1/8
15
15 1/4
3.5
380.6
387.7
1-282
0.139
0.004
15.955
0.075
16.233
1/8
16
16 1/4
3.5
405.3
412.3
1-283
0.139
0.004
16.955
0.080
17.233
1/8
17
17 1/4
3.5
430.7
437.7
1-284
0.139
0.004
17.955
0.085
18.233
1/8
18
18 1/4
3.5
456.1
463.1
1-286
0.139
0.004
19.960
0.090
20.238
1/8
20
20 1/4
3.5
507.0
514.0
Results 201 - 225 of 448
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