Cam and Groove Adapter Plug Body Material 304 Stainless Steel Type A Coupling Size 3 in Female Connection Type NPT Hose Fitting Size 3 in FNPT Max Working Pressure @ 70 F 200 psi Plug Outside Dia 3 5/8 in Overall Length 2 11/16 in Includes Locking Arm No Thread Size 3 in -8 Plug Length 9/16 in