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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PAI Kurv-Bak™ hard rubber back-up rings can be made in a variety of materials to help prevent early seal failure at higher pressures.
Kurv-Baks
Unit of Measure
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Item #

Nominal C/S (inches)

Nominal I.D. (inches)

Nominal O.D. (inches)

Thickness (Inches)

I.D. (inches)

O.D. (Inches)

888-357 N/A 3/16 N/A 5 1/2 N/A 5 7/8 N/A .076 N/A 5.528 N/A 5.894
888-358 N/A 3/16 N/A 5 5/8 N/A 6 N/A .076 N/A 5.653 N/A 6.019
888-359 N/A 3/16 N/A 5 3/4 N/A 6 1/8 N/A .076 N/A 5.778 N/A 6.144
888-360 N/A 3/16 N/A 5 7/8 N/A 6 1/4 N/A .076 N/A 5.903 N/A 6.269
888-361 N/A 3/16 N/A 6 N/A 6 3/8 N/A .076 N/A 6.028 N/A 6.394
888-362 N/A 3/16 N/A 6 1/4 N/A 6 5/8 N/A .076 N/A 6.278 N/A 6.644
888-364 N/A 3/16 N/A 6 3/4 N/A 7 1/8 N/A .076 N/A 6.778 N/A 7.144
888-365 N/A 3/16 N/A 7 N/A 7 3/8 N/A .076 N/A 7.028 N/A 7.394
888-367 N/A 3/16 N/A 7 1/2 N/A 7 7/8 N/A .076 N/A 7.528 N/A 7.894
888-363 N/A 3/16 N/A 7 3/4 N/A 8 1/8 N/A .076 N/A 6.528 N/A 6.894
888-368 N/A 3/16 N/A 7 3/4 N/A 8 1/8 N/A .053 N/A 7.778 N/A 8.144
888-369 N/A 3/16 N/A 8 N/A 8 3/8 N/A .076 N/A 8.028 N/A 8.394
888-370 N/A 3/16 N/A 8 1/4 N/A 8 5/8 N/A .076 N/A 8.278 N/A 8.644
888-371 N/A 3/16 N/A 8 1/2 N/A 8 7/8 N/A .076 N/A 8.528 N/A 8.894
888-372 N/A 3/16 N/A 8 3/4 N/A 9 1/8 N/A .076 N/A 8.778 N/A 9.145
888-374 N/A 3/16 N/A 9 1/4 N/A 9 5/8 N/A .076 N/A 9.278 N/A 9.644
888-379 N/A 3/16 N/A 11 N/A 11 3/8 N/A .076 N/A 11.028 N/A 11.394
888-380 N/A 3/16 N/A 11 1/2 N/A 11 7/8 N/A .076 N/A 11.528 N/A 11.894
888-382 N/A 3/16 N/A 13 N/A 13 3/8 N/A .076 N/A 13.028 N/A 13.394
888-383 N/A 3/16 N/A 14 N/A 14 3/8 N/A .076 N/A 13.975 N/A 14.341
888-384 N/A 3/16 N/A 15 N/A 15 3/8 N/A .076 N/A 15.028 N/A 15.394
888-385 N/A 3/16 N/A 16 N/A 16 3/8 N/A .076 N/A 16.008 N/A 16.374
888-392 N/A 3/16 N/A 23 N/A 23 3/8 N/A .076 N/A 22.993 N/A 23.359
888-402 N/A 1/4 N/A 1 5/8 N/A 2 1/8 N/A .117 N/A 1.659 N/A 2.131
888-403 N/A 1/4 N/A 1 3/4 N/A 2 1/4 N/A .117 N/A 1.784 N/A 2.256
Unit of Measure
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