Cam and Groove Adapter, Plug, Body Material 316 Stainless Steel, Type A, Coupling Size 4 in, Male, Connection Type NPT, Hose Fitting Size 4 in, FNPT, Max. Working Pressure @ 70 F 100 psi, Plug Outside Dia. 4 45/64 in, Overall Length 3 7/32 in, Includes Locking Arm No, Thread Size 3 in-8, Plug Length 2 5/64 in