Cam and Groove Hose Coupling Dust Cap, Socket, For Coupling Size 4 in, Body Material Aluminum, Type DC, Coupling Size 4 in, Natural, Plug Outside Dia. 6 13/16 in, Socket Inside Diameter 4 3/4 in, Gasket Material Nitrile, Overall Length 4 1/4 in, Includes Locking Arm Yes, 250 psi. This item has been restricted from sale in the following state (s): []