Spring Energized Seal Seal Material PTFE Inside Diameter 0.176 in Outside Diameter 5/16 in Overall Width 0.093 in For Bore Diameter 0.31 in For Groove Width 0.101 in For Piston Groove Diameter 0.19 in Application Oscillatory Systems Reciprocating Systems Color White Cross Section Shape Square For Rod Diameter 3/16 in For Rod Groove Diameter 19/64 in Hardness 55 Shore D Heel Type Standard Maximum Pressure 3 000 psi Maximum Surface Speed 1 920 fpm