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)

94-6.500 N/A 0.094 N/A 0.003 N/A 6.500 N/A 0.040 N/A 6.688 N/A 2.4 N/A 165.1 N/A 169.9
93-15ES N/A 0.095 N/A 0.003 N/A 0.015 N/A 0.005 N/A 0.205 N/A 2.4 N/A 0.4 N/A 5.2
95-130 N/A 0.095 N/A 0.003 N/A 0.130 N/A 0.005 N/A 0.320 N/A 2.4 N/A 3.3 N/A 8.1
94-248VS N/A 0.095 N/A 0.003 N/A 0.251 N/A 0.005 N/A 0.441 N/A 2.4 N/A 6.4 N/A 11.2
94-287VS N/A 0.095 N/A 0.003 N/A 0.291 N/A 0.005 N/A 0.481 N/A 2.4 N/A 7.4 N/A 12.2
94-366SS N/A 0.095 N/A 0.003 N/A 0.369 N/A 0.005 N/A 0.559 N/A 2.4 N/A 9.4 N/A 14.2
95-418 N/A 0.095 N/A 0.003 N/A 0.418 N/A 0.005 N/A 0.608 N/A 2.4 N/A 1.6 N/A 15.4
94-445VS N/A 0.095 N/A 0.003 N/A 0.451 N/A 0.005 N/A 0.641 N/A 2.4 N/A 11.5 N/A 16.3
95-618 N/A 0.095 N/A 0.003 N/A 0.618 N/A 0.009 N/A 0.808 N/A 2.4 N/A 15.7 N/A 2.5
93-634SS N/A 0.095 N/A 0.003 N/A 0.648 N/A 0.009 N/A 0.838 N/A 2.4 N/A 16.5 N/A 21.3
95-3.744 N/A 0.095 N/A 0.003 N/A 3.744 N/A 0.028 N/A 3.934 N/A 2.4 N/A 95.1 N/A 99.9
94-614SS N/A 0.096 N/A 0.003 N/A 0.624 N/A 0.009 N/A 0.816 N/A 2.4 N/A 15.8 N/A 2.7
97-312 N/A 0.097 N/A 0.003 N/A 0.312 N/A 0.005 N/A 0.506 N/A 2.5 N/A 7.9 N/A 12.9
95-320SS N/A 0.097 N/A 0.003 N/A 0.326 N/A 0.005 N/A 0.520 N/A 2.5 N/A 8.3 N/A 13.2
95-590SS N/A 0.097 N/A 0.003 N/A 0.601 N/A 0.007 N/A 0.795 N/A 2.5 N/A 15.3 N/A 2.2
97-5.723 N/A 0.097 N/A 0.003 N/A 5.723 N/A 0.035 N/A 5.917 N/A 2.5 N/A 145.4 N/A 15.3
98-197 N/A 0.098 N/A 0.003 N/A 0.197 N/A 0.005 N/A 0.393 N/A 2.5 N/A 5.0 N/A 10.0
98-512 N/A 0.098 N/A 0.003 N/A 0.512 N/A 0.005 N/A 0.708 N/A 2.5 N/A 13.0 N/A 18
98-591 N/A 0.098 N/A 0.003 N/A 0.591 N/A 0.007 N/A 0.787 N/A 2.5 N/A 15 N/A 20
98-1.063 N/A 0.098 N/A 0.003 N/A 1.063 N/A 0.010 N/A 1.259 N/A 2.5 N/A 27.0 N/A 32.0
98-1.772 N/A 0.098 N/A 0.003 N/A 1.772 N/A 0.015 N/A 1.968 N/A 2.5 N/A 45 N/A 50
98-2.283 N/A 0.098 N/A 0.003 N/A 2.283 N/A 0.017 N/A 2.479 N/A 2.5 N/A 58 N/A 63
100-520 N/A 0.100 N/A 0.003 N/A 0.520 N/A 0.005 N/A 0.720 N/A 2.5 N/A 13.2 N/A 18.3
98-520SS N/A 0.100 N/A 0.003 N/A 0.530 N/A 0.005 N/A 0.730 N/A 2.5 N/A 13.5 N/A 18.5
100-760 N/A 0.100 N/A 0.003 N/A 0.760 N/A 0.009 N/A 0.960 N/A 2.5 N/A 19.3 N/A 24.4
Unit of Measure
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