Cam and Groove Adapter Plug Body Material 316 Stainless Steel Type F Coupling Size 3 in Male Connection Type NPT Hose Fitting Size 3 in MNPT Max Working Pressure @ 70 F 125 psi Plug Outside Dia 3 19/32 in Overall Length 3 15/16 in Includes Locking Arm No Thread Size 3 in -8 Plug Length 2 1/64 in