Cam and Groove Coupling, Socket, Body Material Aluminum, Type B, Coupling Size 1 1/2 in, Male, Connection Type NPT, Hose Fitting Size 1 1/2 in, MNPT, Max. Working Pressure @ 70 F 250 psi, Socket Inside Diameter 1 1/2 in, Gasket Material Nitrile, Overall Length 3 3/32 in, Includes Locking Arm Yes, Thread Size 1-1/2 in -11-1/2