Cam and Groove Coupling Socket Body Material Aluminum Type C Coupling Size 3 in For Hose I.D. 3 in Male Connection Type Hose Shank Hose Fitting Size 3 in Male Hose Shank Max Working Pressure @ 70 F 250 psi Plug Outside Dia 5 11/16 in Socket Inside Diameter 3 5/8 in Gasket Material Nitrile Overall Length 6 27/32 in Includes Locking Arm Yes