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]
Print Back
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
« 36 37 38 39 40 

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)

118-3.819 N/A 0.118 N/A 0.004 N/A 3.819 N/A 0.028 N/A 4.055 N/A 3.0 N/A 97.0 N/A 103
118-5.689 N/A 0.118 N/A 0.004 N/A 5.689 N/A 0.035 N/A 5.925 N/A 3.0 N/A 144.5 N/A 15.5
118-5.905 N/A 0.118 N/A 0.004 N/A 5.905 N/A 0.035 N/A 6.141 N/A 3.0 N/A 150 N/A 156
119-374 N/A 0.119 N/A 0.004 N/A 0.374 N/A 0.005 N/A 0.612 N/A 3.0 N/A 9.5 N/A 15.5
118-728SS N/A 0.119 N/A 0.004 N/A 0.735 N/A 0.010 N/A 0.973 N/A 3.0 N/A 18.7 N/A 24.7
118-748VS N/A 0.119 N/A 0.004 N/A 0.755 N/A 0.010 N/A 0.993 N/A 3.0 N/A 19.2 N/A 25.2
118-787VS N/A 0.119 N/A 0.004 N/A 0.794 N/A 0.010 N/A 1.032 N/A 3.0 N/A 2.2 N/A 26.2
118-1.543VS N/A 0.119 N/A 0.004 N/A 1.563 N/A 0.015 N/A 1.801 N/A 3.0 N/A 39.7 N/A 45.7
118-1.583SS N/A 0.119 N/A 0.004 N/A 1.593 N/A 0.015 N/A 1.831 N/A 3.0 N/A 4.5 N/A 46.5
118-1.595VS N/A 0.119 N/A 0.004 N/A 1.602 N/A 0.015 N/A 1.840 N/A 3.0 N/A 4.7 N/A 46.7
119-1.888 N/A 0.119 N/A 0.004 N/A 1.888 N/A 0.018 N/A 2.126 N/A 3.0 N/A 48 N/A 54.0
118-1.969SS N/A 0.119 N/A 0.004 N/A 1.986 N/A 0.018 N/A 2.224 N/A 3.0 N/A 5.4 N/A 56.5
118-2.175VS N/A 0.119 N/A 0.004 N/A 2.201 N/A 0.018 N/A 2.439 N/A 3.0 N/A 55.9 N/A 62.0
118-2.584ES N/A 0.119 N/A 0.004 N/A 2.596 N/A 0.020 N/A 2.834 N/A 3.0 N/A 65.9 N/A 72
118-8.504VS N/A 0.119 N/A 0.004 N/A 8.584 N/A 0.050 N/A 8.822 N/A 3.0 N/A 218 N/A 224.1
118-795SS N/A 0.120 N/A 0.004 N/A 0.810 N/A 0.010 N/A 1.050 N/A 3.0 N/A 2.6 N/A 26.7
120-1.280 N/A 0.120 N/A 0.004 N/A 1.280 N/A 0.012 N/A 1.520 N/A 3.0 N/A 32.5 N/A 38.6
118-2.520VS N/A 0.120 N/A 0.004 N/A 2.551 N/A 0.020 N/A 2.791 N/A 3.0 N/A 64.8 N/A 7.9
118-6.378VS N/A 0.120 N/A 0.004 N/A 6.460 N/A 0.040 N/A 6.700 N/A 3.0 N/A 164.1 N/A 17.2
121-029 N/A 0.121 N/A 0.004 N/A 0.029 N/A 0.005 N/A 0.271 N/A 3.1 N/A 0.7 N/A 6.9
121-485 N/A 0.121 N/A 0.004 N/A 0.485 N/A 0.005 N/A 0.727 N/A 3.1 N/A 12.3 N/A 18.5
121-5.562 N/A 0.121 N/A 0.004 N/A 5.562 N/A 0.035 N/A 5.804 N/A 3.1 N/A 141.3 N/A 147.4
122-200 N/A 0.122 N/A 0.004 N/A 0.200 N/A 0.005 N/A 0.444 N/A 3.1 N/A 5.1 N/A 11.3
122-3.520 N/A 0.122 N/A 0.004 N/A 3.520 N/A 0.024 N/A 3.764 N/A 3.1 N/A 89.4 N/A 95.6
123-924 N/A 0.123 N/A 0.004 N/A 0.924 N/A 0.010 N/A 1.170 N/A 3.1 N/A 23.5 N/A 29.7
Unit of Measure
« 36 37 38 39 40