Cam and Groove Coupling, Socket, Body Material 316 Stainless Steel, Type D, Coupling Size 6 in, Female, Connection Type NPT, Hose Fitting Size 6 in, FNPT, Max. Working Pressure @ 70 F 75 psi, Socket Inside Diameter 6 61/64 in, Gasket Material Nitrile, Overall Length 4 5/64 in, Includes Locking Arm Yes, Thread Size 6 In.-8