Cam and Groove Coupling, Socket, Body Material 304 Stainless Steel, Type B, Coupling Size 3 in, Male, Connection Type NPT, Hose Fitting Size 3 in, MNPT, Max. Working Pressure @ 70 F 200 psi, Socket Inside Diameter 3 5/8 in, Gasket Material Nitrile, Overall Length 89.5 mm, Includes Locking Arm No, Thread Size 3 in -8