Cam and Groove Coupling, Socket, Body Material Nylon, 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 70.5 mm, Includes Locking Arm No, Thread Size 1-1/4 in -11-1/2