Cam and Groove Coupling Socket Body Material 316 Stainless Steel Type D Coupling Size 1/2 in Female Connection Type NPT Hose Fitting Size 1/2 in FNPT Max Working Pressure @ 70 F 150 psi Socket Inside Diameter 63/64 in Gasket Material Nitrile Overall Length 1 61/64 in Includes Locking Arm Yes Thread Size 1/2 In.-14