Cam and Groove Adapter Plug Body Material Aluminum Type F Coupling Size 2 1/2 in Male Connection Type NPT Hose Fitting Size 2 1/2 in MNPT Max Working Pressure @ 70 F 150 psi Plug Outside Dia 2 63/64 in Overall Length 4 1/8 in Includes Locking Arm No Thread Size 2 1/2 In.-8 Plug Length 2 in