Cam and Groove Adapter Plug Body Material 304 Stainless Steel Type F Coupling Size 3 in Male Connection Type NPT Hose Fitting Size 3 in MNPT Max Working Pressure @ 70 F 200 psi Plug Outside Dia 3 5/8 in Overall Length 3 7/8 in Includes Locking Arm No Thread Size 3 in -8 Plug Length 9/16 in