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131 Nitrile 90 Durometer Back-Up Ring - Froedge Machine & Supply Co., Inc.
131 Nitrile 90 Durometer Back-Up Ring - Froedge Machine & Supply Co., Inc.
Froedge Machine & Supply Co., Inc.

131 Nitrile 90 Durometer Back-Up Ring

In stock - 14 items available
$6.18

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 1.706