105 Nitrile 90 Durometer Back-Up Ring
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$2.35
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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 | 0.171'' | Width | 0.086'' |
Material | BUNA | Thickness | 0.053'' |