Cam and Groove Coupling Socket Body Material Polypropylene Type D Coupling Size 3/4 in Female Connection Type NPT Hose Fitting Size 1/2 in FNPT Max Working Pressure @ 70 F 300 psi Socket Inside Diameter 1 19/64 in Gasket Material EPDM Overall Length 2 1/8 in Includes Locking Arm No Thread Size 1/2 in -14