Cam and Groove Coupling Socket Body Material Polypropylene Type D Coupling Size 1 1/2 in Female Connection Type NPT Hose Fitting Size 1 1/2 in FNPT Max Working Pressure @ 70 F 300 psi Socket Inside Diameter 2 9/64 in Gasket Material EPDM Overall Length 4 27/32 in Includes Locking Arm No Thread Size 1-1/2 in -11-1/2