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)

888-332 N/A 3/16 N/A 2 3/8 N/A 2 3/4 N/A .076 N/A 2.393 N/A 2.759
888-333 N/A 3/16 N/A 2 1/2 N/A 2 7/8 N/A .076 N/A 2.518 N/A 2.884
888-334 N/A 3/16 N/A 2 5/8 N/A 3 N/A .076 N/A 2.643 N/A 3.009
888-335 N/A 3/16 N/A 2 3/4 N/A 3 1/8 N/A .076 N/A 2.768 N/A 3.134
888-336 N/A 3/16 N/A 2 7/8 N/A 3 1/4 N/A .076 N/A 2.893 N/A 3.259
888-337 N/A 3/16 N/A 3 N/A 3 3/8 N/A .076 N/A 3.018 N/A 3.384
888-338 N/A 3/16 N/A 3 1/8 N/A 3 1/2 N/A .076 N/A 3.143 N/A 3.509
888-339 N/A 3/16 N/A 3 1/4 N/A 3 5/8 N/A .076 N/A 3.273 N/A 3.639
888-340 N/A 3/16 N/A 3 3/8 N/A 3 3/4 N/A .076 N/A 3.398 N/A 3.764
888-341 N/A 3/16 N/A 3 1/2 N/A 3 7/8 N/A .076 N/A 3.523 N/A 3.889
888-342 N/A 3/16 N/A 3 5/8 N/A 4 N/A .076 N/A 3.648 N/A 4.014
888-343 N/A 3/16 N/A 3 3/4 N/A 4 1/8 N/A .076 N/A 3.773 N/A 4.139
888-344 N/A 3/16 N/A 3 7/8 N/A 4 1/4 N/A .076 N/A 3.898 N/A 4.264
888-345 N/A 3/16 N/A 4 N/A 4 3/8 N/A .076 N/A 4.028 N/A 4.394
888-346 N/A 3/16 N/A 4 1/8 N/A 4 1/2 N/A .076 N/A 4.153 N/A 4.519
888-347 N/A 3/16 N/A 4 1/4 N/A 4 5/8 N/A .076 N/A 4.278 N/A 4.644
888-348 N/A 3/16 N/A 4 3/8 N/A 4 3/4 N/A .076 N/A 4.403 N/A 4.769
888-350 N/A 3/16 N/A 4 5/8 N/A 5 N/A .076 N/A 4.653 N/A 5.019
888-351 N/A 3/16 N/A 4 3/4 N/A 5 1/8 N/A .076 N/A 4.778 N/A 5.144
888-352 N/A 3/16 N/A 4 7/8 N/A 5 1/4 N/A .076 N/A 4.903 N/A 5.269
888-349 N/A 3/16 N/A 4.5 N/A 4 7/8 N/A .076 N/A 4.528 N/A 4.894
888-353 N/A 3/16 N/A 5 N/A 5 3/8 N/A .076 N/A 5.028 N/A 5.394
888-354 N/A 3/16 N/A 5 1/8 N/A 5 1/2 N/A .076 N/A 5.153 N/A 5.519
888-355 N/A 3/16 N/A 5 1/4 N/A 5 5/8 N/A .076 N/A 5.278 N/A 5.644
888-356 N/A 3/16 N/A 5 3/8 N/A 5 3/4 N/A .076 N/A 5.403 N/A 5.769
Unit of Measure
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