Cam and Groove Coupling, Socket, Body Material Polypropylene, Type B, Coupling Size 3/4 in, Male, Connection Type NPT, Hose Fitting Size 1/2 in, MNPT, Max. Working Pressure @ 70 F 300 psi, Plug Outside Dia. 3 19/32 in, Socket Inside Diameter 1 19/64 in, Gasket Material EPDM, Overall Length 2 1/4 in, Includes Locking Arm No, Thread Size 1/2 in -14