Cam and Groove Adapter Plug Body Material 304 Stainless Steel Type F Coupling Size 4 in Male Connection Type NPT Hose Fitting Size 4 in MNPT Max Working Pressure @ 70 F 100 psi Plug Outside Dia 4 3/4 in Overall Length 4 1/32 in Includes Locking Arm No Thread Size 4 in -8 Plug Length 9/16 in