5.021 in, Max.
5 in, Outside Dia. Piston Seal,5 ID x 5 1/2 OD,1/4 W x 1/4H Pressure 5,000 psi, Inside Dia. 5 1/2 in, Seal Durometer 95 Shore A, Shell Durometer 95 Shore A, Temp.5 1/2 in, Width 1/4 in, Height 1/4 in, Color Black Piston Crown Seal, Seal Type Crown, Seal Material Urethane, For Bore Dia.