Cam and Groove Coupling Socket Body Material Aluminum Type D Coupling Size 1 1/2 in Female Connection Type NPT Hose Fitting Size 1 in FNPT Max Working Pressure @ 70 F 250 psi Socket Inside Diameter 1 1/2 in Gasket Material Nitrile Overall Length 2 29/32 in Includes Locking Arm No Thread Size 1 in -11-1/2