Cam and Groove Adapter, Plug, Body Material Polypropylene, Type A, Coupling Size 3 in, Female, Connection Type NPT, Hose Fitting Size 3 in, FNPT, Max. Working Pressure @ 70 F 100 psi, Plug Outside Dia. 3 19/32 in, Gasket Material EPDM, Overall Length 3 9/16 in, Includes Locking Arm No, Thread Size 3 in -8, Plug Length 2 1/16 in