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

144 Nitrile 90 Durometer Back-Up Ring

In stock - 7 items available
$2.78

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. Inside Diameter 2.528'' Width 0.086''
Material BUNA Thickness 0.053''