Cam and Groove Adapter, Plug, Body Material 304 Stainless Steel, Type A, Coupling Size 2 1/2 in, Female, Connection Type NPT, Hose Fitting Size 2 1/2 in, FNPT, Max. Working Pressure @ 70 F 225 psi, Plug Outside Dia. 3 in, Overall Length 2 11/16 in, Includes Locking Arm No, Thread Size 2-1/2 in -8, Plug Length 1/2 in