One New Aftermarket STANDARD BACK-UP RING

Tech Info:
-Material: 90A Buna-N Rubber
-Weight: 0.0001 lb.
-ID: 5/16
-OD: 7/16
-Height: .049
-Thickness: .045
-Nom Cross Section: 1/16
-Temperature Range: -40 TO +240F
-Hardness: 90
-Scale: A
-Profile: 574

Made to Fit Universal Products:
Replaces Part Number(s): 8-011 N90, 8-011/C, BU-011BN90, 8-011N90, 37011, 7Q10P011, BUN-011, 20572602, 574-011