Cam and Groove Coupling Socket Body Material 304 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 15/16 in Gasket Material Nitrile Overall Length 99.8 mm Includes Locking Arm No Thread Size 6 in -8