Cam and Groove Coupling Socket Body Material Polypropylene Type B Coupling Size 3/4 in Male Connection Type NPT Hose Fitting Size 3/4 in MNPT Max Working Pressure @ 70 F 300 psi Plug Outside Dia 3 19/32 in Socket Inside Diameter 1 19/64 in Gasket Material EPDM Overall Length 2 1/4 in Includes Locking Arm No Thread Size 3/4 in -14