575-236 BACK UP RING 90URE-3.25X1/8-C/S(10)
575-237 BACK UP RING 90URE-3.375X1/8-C/S(5)
575-238 BACK UP RING 90URE-3.5X1/8-C/S(5)
575-239 BACK UP RING 90URE-3.625X1/8-C/S(5)
575-239ST BACK UP RING TFE-3.625X1/8-C/S(2)
575-240 BACK UP RING 90URE-3.75X1/8-C/S(5)
575-241 BACK UP RING 90URE-3.875X1/8-C/S(5)
575-242 BACK UP RING 90URE-4X1/8-C/S(5)
575-244 BACK UP RING 90URE-4.25X1/8-C/S(5)
575-245 BACK UP RING 90URE-4.375X1/8-C/S(5)