Precision Associates, Inc.
Precision Associates, Inc.
3800 North Washington Ave.
Minneapolis, MN 55412-2142
Toll Free: 1-800-394-6590
Local: +1 612-333-7464
Sales: +1 612-334-9190
Fax: 612-342-2417
Email: [email protected]
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Search our 2,700+ Standard & Special Size O-Ring Tooling List. O-Rings are available with inside diameters (ID) as small as .004" and as large as 34". If you can't find your O-Ring size, please call - new O ring sizes are added regularly. If we are not tooled for your non-standard O-Ring, we can make a special tool in our On-Site mold shop.

Click here to view our O-Ring Brochure.
O-Ring Picture
Unit of Measure
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Item #

C/S (inches)

C/S Tolerance (±)

I.D. (inches)

I.D. Tolerance (±)

O.D. (REF) (inches)

Metric C/S (mm)

Metric I.D. (mm)

Metric O.D. (mm)

62-125 N/A 0.062 N/A 0.003 N/A 0.125 N/A 0.005 N/A 0.249 N/A 1.6 N/A 3.2 N/A 6.3
62-188 N/A 0.062 N/A 0.003 N/A 0.188 N/A 0.005 N/A 0.312 N/A 1.6 N/A 4.8 N/A 7.9
62-375 N/A 0.062 N/A 0.003 N/A 0.375 N/A 0.005 N/A 0.499 N/A 1.6 N/A 9.5 N/A 12.7
62-400 N/A 0.062 N/A 0.003 N/A 0.400 N/A 0.005 N/A 0.524 N/A 1.6 N/A 1.2 N/A 13.3
62-638 N/A 0.062 N/A 0.003 N/A 0.638 N/A 0.009 N/A 0.762 N/A 1.6 N/A 16.2 N/A 19.4
62-750 N/A 0.062 N/A 0.003 N/A 0.750 N/A 0.009 N/A 0.874 N/A 1.6 N/A 19.1 N/A 22.2
62-1.069 N/A 0.062 N/A 0.003 N/A 1.069 N/A 0.010 N/A 1.193 N/A 1.6 N/A 27.2 N/A 3.3
62-1.176 N/A 0.062 N/A 0.003 N/A 1.176 N/A 0.011 N/A 1.300 N/A 1.6 N/A 29.9 N/A 33
62-1.485 N/A 0.062 N/A 0.003 N/A 1.485 N/A 0.013 N/A 1.609 N/A 1.6 N/A 37.7 N/A 4.9
62-1.686 N/A 0.062 N/A 0.003 N/A 1.686 N/A 0.013 N/A 1.810 N/A 1.6 N/A 42.8 N/A 46
62-1.740 N/A 0.062 N/A 0.003 N/A 1.740 N/A 0.015 N/A 1.864 N/A 1.6 N/A 44.2 N/A 47.3
62-1.772 N/A 0.062 N/A 0.003 N/A 1.772 N/A 0.015 N/A 1.896 N/A 1.6 N/A 45 N/A 48.2
62-2.187 N/A 0.062 N/A 0.003 N/A 2.187 N/A 0.018 N/A 2.311 N/A 1.6 N/A 55.5 N/A 58.7
62-5.250 N/A 0.062 N/A 0.003 N/A 5.250 N/A 0.037 N/A 5.374 N/A 1.6 N/A 133.4 N/A 136.5
62-230SS N/A 0.063 N/A 0.003 N/A 0.232 N/A 0.005 N/A 0.358 N/A 1.6 N/A 5.9 N/A 9.1
62-358SS N/A 0.063 N/A 0.003 N/A 0.365 N/A 0.005 N/A 0.491 N/A 1.6 N/A 9.3 N/A 12.5
62-501SS N/A 0.063 N/A 0.003 N/A 0.508 N/A 0.005 N/A 0.634 N/A 1.6 N/A 12.9 N/A 16.1
63-813 N/A 0.063 N/A 0.003 N/A 0.813 N/A 0.009 N/A 0.939 N/A 1.6 N/A 2.7 N/A 23.9
63-962 N/A 0.063 N/A 0.003 N/A 0.962 N/A 0.009 N/A 1.088 N/A 1.6 N/A 24.4 N/A 27.6
63-1.063 N/A 0.063 N/A 0.003 N/A 1.063 N/A 0.010 N/A 1.189 N/A 1.6 N/A 27.0 N/A 3.2
63-1.969 N/A 0.063 N/A 0.003 N/A 1.969 N/A 0.015 N/A 2.095 N/A 1.6 N/A 50.0 N/A 53.2
63-2.766 N/A 0.063 N/A 0.003 N/A 2.766 N/A 0.020 N/A 2.892 N/A 1.6 N/A 7.3 N/A 73.5
64-53 N/A 0.064 N/A 0.003 N/A 0.053 N/A 0.004 N/A 0.181 N/A 1.6 N/A 1.3 N/A 4.6
63-122VS N/A 0.064 N/A 0.003 N/A 0.124 N/A 0.005 N/A 0.252 N/A 1.6 N/A 3.1 N/A 6.4
63-319VS N/A 0.064 N/A 0.003 N/A 0.322 N/A 0.005 N/A 0.450 N/A 1.6 N/A 8.2 N/A 11.4
Unit of Measure
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