043 Nitrile 90 Durometer Back-Up Ring

  • $1.88

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 3.518'' Width 0.053''
Material BUNA Thickness 0.049''

You May Also Be Interested in