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)

888-249 N/A 1/8 N/A 4 7/8 N/A 5 1/8 N/A .050 N/A 4.893 N/A 5.129
888-246 N/A 1/8 N/A 4.5 N/A 4 3/4 N/A .050 N/A 4.506 N/A 4.742
888-250 N/A 1/8 N/A 5 N/A 5 1/4 N/A .050 N/A 5.018 N/A 5.254
888-251 N/A 1/8 N/A 5 1/8 N/A 5 3/8 N/A .050 N/A 5.143 N/A 5.379
888-252 N/A 1/8 N/A 5 1/4 N/A 5 1/2 N/A .050 N/A 5.268 N/A 5.504
888-253 N/A 1/8 N/A 5 3/8 N/A 5 5/8 N/A .050 N/A 5.393 N/A 5.629
888-254 N/A 1/8 N/A 5 1/2 N/A 5 3/4 N/A .050 N/A 5.518 N/A 5.754
888-255 N/A 1/8 N/A 5 5/8 N/A 5 7/8 N/A .050 N/A 5.643 N/A 5.879
888-256 N/A 1/8 N/A 5 3/4 N/A 6 N/A .050 N/A 5.768 N/A 6.004
888-257 N/A 1/8 N/A 5 7/8 N/A 6 1/8 N/A .050 N/A 5.893 N/A 6.129
888-258 N/A 1/8 N/A 6 N/A 6 1/4 N/A .050 N/A 6.018 N/A 6.254
888-259 N/A 1/8 N/A 6 1/4 N/A 6 1/2 N/A .050 N/A 6.268 N/A 6.504
888-260 N/A 1/8 N/A 6 1/2 N/A 6 3/4 N/A .050 N/A 6.518 N/A 6.754
888-261 N/A 1/8 N/A 6 3/4 N/A 7 N/A .050 N/A 6.768 N/A 7.004
888-262 N/A 1/8 N/A 7 N/A 7 1/4 N/A .050 N/A 7.018 N/A 7.254
888-263 N/A 1/8 N/A 7 1/4 N/A 7 1/2 N/A .050 N/A 7.268 N/A 7.504
888-264 N/A 1/8 N/A 7 1/2 N/A 7 3/4 N/A .050 N/A 7.518 N/A 7.754
888-265 N/A 1/8 N/A 7 3/4 N/A 8 N/A .050 N/A 7.768 N/A 8.004
888-266 N/A 1/8 N/A 8 N/A 8 1/4 N/A .050 N/A 8.018 N/A 8.254
888-267 N/A 1/8 N/A 8 1/4 N/A 8 1/2 N/A .050 N/A 8.268 N/A 8.504
888-268 N/A 1/8 N/A 8 1/2 N/A 8 3/4 N/A .050 N/A 8.518 N/A 8.754
888-269 N/A 1/8 N/A 8 3/4 N/A 9 N/A .050 N/A 8.768 N/A 9.004
888-271 N/A 1/8 N/A 9 1/4 N/A 9 1/2 N/A .050 N/A 9.268 N/A 9.504
888-272 N/A 1/8 N/A 9 1/2 N/A 9 3/4 N/A .050 N/A 9.518 N/A 9.754
888-273 N/A 1/8 N/A 9 3/4 N/A 10 N/A .050 N/A 9.768 N/A 10.004
Unit of Measure
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