Home » 153 Nitrile 90 Durometer Back-Up Ring
153 Nitrile 90 Durometer Back-Up Ring - Froedge Machine & Supply Co., Inc.
153 Nitrile 90 Durometer Back-Up Ring - Froedge Machine & Supply Co., Inc.
Froedge Machine & Supply Co., Inc.

153 Nitrile 90 Durometer Back-Up Ring

In stock - 25 items available
$5.44

Back-up rings fit between O-rings and extrusion gaps to prevent the O-ring from extruding. Two back-up rings are often used (one on each side of O-ring) to prevent extrusion from either side based on direction of pressure.

Application O-rings/seals with high pressures, large extrusion gaps, and/or high temperatures.
Material BUNA
Inside Diameter 3.518