Precision Associates, Inc.
3800 North Washington Ave.
Minneapolis, MN 55412-2142
Toll Free:1-800-394-6590 • Local: 612-333-7464
Email: [email protected]
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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®.

Click here to view our 48 (5Mb) Catalog illustrated with full-size drawings of Standard Size O-Rings plus Dimensions and Tolerances.




  Results 201 - 225 of 448 « 6 7 8 9 10 »  

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 « 6 7 8 9 10 »  
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