Cam and Groove Coupling Socket Body Material 304 Stainless Steel Type D Coupling Size 1 1/4 in Female Connection Type NPT Hose Fitting Size 1 1/4 in FNPT Max Working Pressure @ 70 F 250 psi Socket Inside Diameter 1 13/16 in Gasket Material Nitrile Overall Length 67.5 mm Includes Locking Arm No Thread Size 1-1/4 in -11-1/2