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.

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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)

63-594SS N/A 0.064 N/A 0.003 N/A 0.605 N/A 0.007 N/A 0.733 N/A 1.6 N/A 15.4 N/A 18.6
64-660 N/A 0.064 N/A 0.003 N/A 0.660 N/A 0.009 N/A 0.788 N/A 1.6 N/A 16.8 N/A 20
63-799VS N/A 0.064 N/A 0.003 N/A 0.807 N/A 0.009 N/A 0.935 N/A 1.6 N/A 2.5 N/A 23.7
63-1.394SS N/A 0.064 N/A 0.003 N/A 1.408 N/A 0.013 N/A 1.536 N/A 1.6 N/A 35.8 N/A 39
63-1.472ES N/A 0.064 N/A 0.003 N/A 1.486 N/A 0.013 N/A 1.614 N/A 1.6 N/A 37.7 N/A 41
63-6.400VS N/A 0.064 N/A 0.003 N/A 6.460 N/A 0.040 N/A 6.588 N/A 1.6 N/A 164.1 N/A 167.3
65-1.030 N/A 0.065 N/A 0.003 N/A 1.030 N/A 0.010 N/A 1.160 N/A 1.7 N/A 26.2 N/A 29.5
65-3.239 N/A 0.065 N/A 0.003 N/A 3.239 N/A 0.024 N/A 3.369 N/A 1.7 N/A 82.3 N/A 85.6
65-60SS N/A 0.066 N/A 0.003 N/A 0.061 N/A 0.004 N/A 0.193 N/A 1.7 N/A 1.5 N/A 4.9
65-1.140SS N/A 0.066 N/A 0.003 N/A 1.159 N/A 0.010 N/A 1.291 N/A 1.7 N/A 29.4 N/A 32.8
66-61VS N/A 0.067 N/A 0.003 N/A 0.062 N/A 0.004 N/A 0.196 N/A 1.7 N/A 1.6 N/A 5.0
68-176 N/A 0.068 N/A 0.003 N/A 0.176 N/A 0.005 N/A 0.312 N/A 1.7 N/A 4.5 N/A 7.9
68-246 N/A 0.068 N/A 0.003 N/A 0.246 N/A 0.005 N/A 0.382 N/A 1.7 N/A 6.2 N/A 9.7
68-598 N/A 0.068 N/A 0.003 N/A 0.598 N/A 0.007 N/A 0.734 N/A 1.7 N/A 15.2 N/A 18.6
67-1.541SS N/A 0.068 N/A 0.003 N/A 1.574 N/A 0.013 N/A 1.710 N/A 1.7 N/A 40.0 N/A 43.4
68-364SS N/A 0.069 N/A 0.003 N/A 0.367 N/A 0.005 N/A 0.505 N/A 1.8 N/A 9.3 N/A 12.8
68-438SS N/A 0.069 N/A 0.003 N/A 0.444 N/A 0.005 N/A 0.582 N/A 1.8 N/A 11.3 N/A 14.8
68-843SS N/A 0.069 N/A 0.003 N/A 0.856 N/A 0.009 N/A 0.994 N/A 1.8 N/A 21.7 N/A 25.2
70-108 N/A 0.070 N/A 0.003 N/A 0.108 N/A 0.005 N/A 0.248 N/A 1.8 N/A 2.7 N/A 6.3
70-125 N/A 0.070 N/A 0.003 N/A 0.125 N/A 0.005 N/A 0.265 N/A 1.8 N/A 3.2 N/A 6.7
70-187 N/A 0.070 N/A 0.003 N/A 0.187 N/A 0.005 N/A 0.327 N/A 1.8 N/A 4.7 N/A 8.3
70-195 N/A 0.070 N/A 0.003 N/A 0.195 N/A 0.005 N/A 0.335 N/A 1.8 N/A 5.0 N/A 8.5
70-202 N/A 0.070 N/A 0.003 N/A 0.202 N/A 0.005 N/A 0.342 N/A 1.8 N/A 5.1 N/A 8.7
70-219 N/A 0.070 N/A 0.003 N/A 0.219 N/A 0.005 N/A 0.359 N/A 1.8 N/A 5.6 N/A 9.1
70-270 N/A 0.070 N/A 0.003 N/A 0.270 N/A 0.005 N/A 0.410 N/A 1.8 N/A 6.9 N/A 1.4
Unit of Measure
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