Uses in Static applications and in Dynamic applications such as Pump Shafts and Hydraulic Cylinder Pistons where there is relative motion between parts and the o-ring. Are used on Automotive and Industrial machinery components, electronic instruments, electrical applicances, washroom facilities, faucets, etc. Our engineered o-ring compounds are designed to perform in a wide range of applications with varying chemical exposures, pressures and temperatures. Also replacement for Jacuzzi 47-0257-05 Separation Tank Support O-ring, Premier (31-162) Booster Pump Volute O-ring, Waterway 805-0215 DE Filter Knob O-ring . Inner Diameter: 85.32mm, Outer Diameter: 92.38mm, Width: 3.53mm