Cam and Groove Coupling, Socket, Body Material Stainless Steel, Type D, Coupling Size 5 in, Female, Connection Type NPT, Hose Fitting Size 5 in, FNPT, Max. Working Pressure @ 70 F 75 psi, Socket Inside Diameter 5 3/4 in, Gasket Material Nitrile, Overall Length 3 7/8 in, Includes Locking Arm Yes, Thread Size 5 In. -8