Cam and Groove Adapter Plug Body Material Aluminum Type A Coupling Size 2 in Female Connection Type NPT Hose Fitting Size 3 in FNPT Max Working Pressure @ 70 F 125 psi Plug Outside Dia 2 31/64 in Overall Length 3 3/4 in Includes Locking Arm Yes Thread Size 3 in -8 Plug Length 1 7/8 in