Cam and Groove Coupling Socket Body Material Aluminum Type B Coupling Size 2 in Male Connection Type NPT Hose Fitting Size 2 in MNPT Max Working Pressure @ 70 F 250 psi Socket Inside Diameter 2 1/2 in Gasket Material Nitrile Overall Length 2 63/64 in Includes Locking Arm Yes Thread Size 2 in -11-1/2