U-Cup, Symmetrical Lip, Inside Dia. 0.625 in, Outside Dia. 1.125 in, Seal Material Buna N, Seal Durometer 70 Shore A, Color Black, For Groove Width 0.281 in, For Piston Groove Dia. 0.625 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. 5/8 in, Package Quantity 5