Cam and Groove Coupling Socket Body Material 316 Stainless Steel Type B Coupling Size 3 in Male Connection Type NPT Hose Fitting Size 2 in MNPT Max Working Pressure @ 70 F 125 psi Socket Inside Diameter 3 in Gasket Material Nitrile Overall Length 4 17/32 in Includes Locking Arm No Thread Size 2 in -11-1/2