Cam and Groove Coupling Socket Body Material 316 Stainless Steel Type B Coupling Size 6 in Male Connection Type NPT Hose Fitting Size 6 in MNPT Max Working Pressure @ 70 F 75 psi Socket Inside Diameter 6 in Gasket Material Nitrile Overall Length 5 7/32 in Includes Locking Arm Yes Thread Size 6 in -8