U-Cup, Symmetrical Lip, Inside Dia. 0.875 in, Outside Dia. 1.375 in, Seal Material Buna N, Seal Durometer 70 Shore A, Color Black, For Groove Width 0.281 in, For Piston Groove Dia. 0.875 in, Max. Speed 1.5 fps, Max. Pressure 500 psi, Cross Section Shape U, Width 1/4 in, Temp. Range -40 Degrees to 250 Degrees F, For Rod Dia. 7/8 in, Package Quantity 5