• Kurv-Baks
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.
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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)

Sort by
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
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
N/A 1/8 N/A 8 N/A 8 1/4 N/A .050 N/A 8.018 N/A 8.254
N/A 1/8 N/A 7 3/4 N/A 8 N/A .050 N/A 7.768 N/A 8.004
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
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
N/A 1/8 N/A 7 N/A 7 1/4 N/A .050 N/A 7.018 N/A 7.254
N/A 1/8 N/A 6 3/4 N/A 7 N/A .050 N/A 6.768 N/A 7.004
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
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
N/A 1/8 N/A 6 N/A 6 1/4 N/A .050 N/A 6.018 N/A 6.254
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
N/A 1/8 N/A 5 3/4 N/A 6 N/A .050 N/A 5.768 N/A 6.004
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
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
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
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
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
N/A 1/8 N/A 5 N/A 5 1/4 N/A .050 N/A 5.018 N/A 5.254
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
N/A 1/8 N/A 4 3/4 N/A 5 N/A .050 N/A 4.768 N/A 5.004
N/A 1/8 N/A 4 5/8 N/A 4 7/8 N/A .050 N/A 4.631 N/A 4.867
N/A 1/8 N/A 4.5 N/A 4 3/4 N/A .050 N/A 4.506 N/A 4.742
N/A 1/8 N/A 4 3/8 N/A 4 5/8 N/A .050 N/A 4.381 N/A 4.617
N/A 1/8 N/A 4 1/4 N/A 4 1/2 N/A .050 N/A 4.256 N/A 4.492
N/A 1/8 N/A 4 1/8 N/A 4 3/8 N/A .050 N/A 4.131 N/A 4.367
N/A 1/8 N/A 4 N/A 4 1/4 N/A .050 N/A 4.006 N/A 4.242
N/A 1/8 N/A 3 7/8 N/A 4 1/8 N/A .050 N/A 3.881 N/A 4.117
N/A 1/8 N/A 3 3/4 N/A 4 N/A .050 N/A 3.756 N/A 3.992
N/A 1/8 N/A 3 5/8 N/A 3 7/8 N/A .050 N/A 3.631 N/A 3.867
N/A 1/8 N/A 3 1/2 N/A 3 3/4 N/A .050 N/A 3.506 N/A 3.742
N/A 1/8 N/A 3 3/8 N/A 3 5/8 N/A .050 N/A 3.381 N/A 3.617
N/A 1/8 N/A 3 1/4 N/A 3 1/2 N/A .050 N/A 3.256 N/A 3.492
N/A 1/8 N/A 3 1/8 N/A 3 3/8 N/A .050 N/A 3.131 N/A 3.367
N/A 1/8 N/A 3 N/A 3 1/4 N/A .050 N/A 3.006 N/A 3.242
N/A 1/8 N/A 2 7/8 N/A 3 1/8 N/A .050 N/A 2.881 N/A 3.117
N/A 1/8 N/A 2 3/4 N/A 3 N/A .050 N/A 2.756 N/A 2.992
N/A 1/8 N/A 2 5/8 N/A 2 7/8 N/A .050 N/A 2.631 N/A 2.867
N/A 1/8 N/A 2 1/2 N/A 2 3/4 N/A .050 N/A 2.522 N/A 2.758
N/A 1/8 N/A 2 3/8 N/A 2 5/8 N/A .050 N/A 2.397 N/A 2.633
N/A 1/8 N/A 2 1/4 N/A 2 1/2 N/A .050 N/A 2.272 N/A 2.508
N/A 1/8 N/A 2 1/8 N/A 2 3/8 N/A .050 N/A 2.147 N/A 2.383
N/A 1/8 N/A 2 N/A 2 1/4 N/A .050 N/A 2.022 N/A 2.258
N/A 1/8 N/A 1 7/8 N/A 2 1/8 N/A .050 N/A 1.897 N/A 2.133
N/A 1/8 N/A 1 3/4 N/A 2 N/A .050 N/A 1.772 N/A 2.008
N/A 1/8 N/A 1 5/8 N/A 1 7/8 N/A .050 N/A 1.647 N/A 1.883
N/A 1/8 N/A 1 1/2 N/A 1 3/4 N/A .050 N/A 1.522 N/A 1.758
N/A 1/8 N/A 1 7/16 N/A 1 11/16 N/A .050 N/A 1.459 N/A 1.695
N/A 1/8 N/A 1 3/8 N/A 1 5/8 N/A .050 N/A 1.397 N/A 1.633
N/A 1/8 N/A 1 5/16 N/A 1 9/16 N/A .050 N/A 1.334 N/A 1.570
N/A 1/8 N/A 1 1/4 N/A 1 1/2 N/A .050 N/A 1.266 N/A 1.502
N/A 1/8 N/A 1 3/16 N/A 1 7/16 N/A .050 N/A 1.203 N/A 1.439
N/A 1/8 N/A 1 1/8 N/A 1 3/8 N/A .050 N/A 1.141 N/A 1.377
N/A 1/8 N/A 1 1/16 N/A 1 5/16 N/A .050 N/A 1.078 N/A 1.314
N/A 1/8 N/A 1 N/A 1 1/4 N/A .050 N/A 1.016 N/A 1.252
N/A 1/8 N/A 15/16 N/A 1 3/16 N/A .050 N/A 0.953 N/A 1.189
N/A 1/8 N/A 7/8 N/A 1 1/8 N/A .050 N/A .891 N/A 1.127
N/A 1/8 N/A 13/16 N/A 1 1/16 N/A .050 N/A .828 N/A 1.064
N/A 1/8 N/A 3/4 N/A 1 N/A .050 N/A .766 N/A 1.002
N/A 1/8 N/A 11/16 N/A 15/16 N/A .050 N/A 0.705 N/A .941
N/A 1/8 N/A 5/8 N/A 7/8 N/A .050 N/A 0.643 N/A .879
N/A 1/8 N/A 1/2 N/A 3/4 N/A .050 N/A .518 N/A .754
N/A 1/8 N/A 7/16 N/A 11/16 N/A .050 N/A 0.455 N/A .691
N/A 1/8 N/A 3/8 N/A 5/8 N/A .050 N/A 0.390 N/A .626
N/A 1/8 N/A 5/16 N/A 9/16 N/A .050 N/A 0.327 N/A .563
N/A 1/8 N/A 1/4 N/A 1/2 N/A .050 N/A 0.265 N/A .501
N/A 1/8 N/A 3/16 N/A 7/16 N/A .050 N/A 0.202 N/A .438
N/A 1/16 N/A 5 1/4 N/A 5 3/8 N/A .049 N/A 5.268 N/A 5.374
N/A 1/16 N/A 4.5 N/A 4 5/8 N/A .049 N/A 4.518 N/A 4.624
N/A 1/16 N/A 3 1/4 N/A 3 3/8 N/A .049 N/A 3.268 N/A 3.374
N/A 1/16 N/A 3 N/A 3 1/8 N/A .049 N/A 3.018 N/A 3.124
N/A 1/16 N/A 2 7/8 N/A 3 N/A .049 N/A 2.893 N/A 2.999
N/A 1/16 N/A 2 3/4 N/A 2 7/8 N/A .049 N/A 2.768 N/A 2.874
N/A 1/16 N/A 2 5/8 N/A 2 3/4 N/A .049 N/A 2.643 N/A 2.749
N/A 1/16 N/A 2 1/2 N/A 2 5/8 N/A .049 N/A 2.518 N/A 2.624
N/A 1/16 N/A 2 3/8 N/A 2 1/2 N/A .049 N/A 2.393 N/A 2.499
N/A 1/16 N/A 2 1/4 N/A 2 3/8 N/A .049 N/A 2.268 N/A 2.374
N/A 1/16 N/A 2 1/8 N/A 2 1/4 N/A .049 N/A 2.143 N/A 2.249
N/A 1/16 N/A 2 N/A 2 1/8 N/A .049 N/A 2.018 N/A 2.124
N/A 1/16 N/A 1 7/8 N/A 2 N/A .049 N/A 1.893 N/A 1.999
N/A 1/16 N/A 1 3/4 N/A 1 7/8 N/A .049 N/A 1.768 N/A 1.874
N/A 1/16 N/A 1 5/8 N/A 1 3/4 N/A .049 N/A 1.643 N/A 1.749
N/A 1/16 N/A 1 1/2 N/A 1 5/8 N/A .049 N/A 1.518 N/A 1.624
N/A 1/16 N/A 1 3/8 N/A 1 1/2 N/A .049 N/A 1.393 N/A 1.499
N/A 1/16 N/A 1 5/16 N/A 1 7/16 N/A .049 N/A 1.330 N/A 1.436
N/A 1/16 N/A 1 1/4 N/A 1 3/8 N/A .049 N/A 1.268 N/A 1.374
N/A 1/16 N/A 1 3/16 N/A 1 5/16 N/A .049 N/A 1.205 N/A 1.311
N/A 1/16 N/A 1 1/8 N/A 1 1/4 N/A .049 N/A 1.143 N/A 1.249
N/A 1/16 N/A 1 1/16 N/A 1 3/16 N/A .049 N/A 1.080 N/A 1.186
N/A 1/16 N/A 1 N/A 1 1/8 N/A .049 N/A 1.018 N/A 1.124
N/A 1/16 N/A 15/16 N/A 1 1/16 N/A .049 N/A .955 N/A 1.061
N/A 1/16 N/A 7/8 N/A 1 N/A .049 N/A 0.893 N/A .999
N/A 1/16 N/A 13/16 N/A 15/16 N/A .049 N/A .830 N/A .936
N/A 1/16 N/A 3/4 N/A 7/8 N/A .049 N/A 0.768 N/A .874
N/A 1/16 N/A 11/16 N/A 13/16 N/A .049 N/A 0.705 N/A .811
N/A 1/16 N/A 5/8 N/A 3/4 N/A .049 N/A 0.643 N/A .749
N/A 1/16 N/A 9/16 N/A 11/16 N/A .049 N/A 0.580 N/A .686
N/A 1/16 N/A 1/2 N/A 5/8 N/A .049 N/A .518 N/A .624
N/A 1/16 N/A 7/16 N/A 9/16 N/A .049 N/A 0.455 N/A .561
N/A 1/16 N/A 3/8 N/A 1/2 N/A .049 N/A 0.390 N/A .496
N/A 1/16 N/A 5/16 N/A 7/16 N/A .049 N/A 0.327 N/A .433
N/A 1/16 N/A 1/4 N/A 3/8 N/A .049 N/A 0.265 N/A .371
N/A 1/16 N/A 7/32 N/A 11/32 N/A .049 N/A 0.234 N/A .340
N/A 1/16 N/A 3/16 N/A 5/16 N/A .049 N/A 0.202 N/A .308
N/A 1/16 N/A 5/32 N/A 9/32 N/A .049 N/A 0.171 N/A .277
N/A 1/16 N/A 1/8 N/A 1/4 N/A .049 N/A 0.140 N/A .246
N/A 1/16 N/A 7/64 N/A 15/64 N/A .049 N/A 0.127 N/A .233
201 - 307 of 307 | Results Per Page | View | Unit of Measure
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