Cam and Groove Adapter Plug Body Material Aluminum Type A Coupling Size 2 1/2 in Male Connection Type NPT Hose Fitting Size 2 1/2 in FNPT Max Working Pressure @ 70 F 150 psi Plug Outside Dia 2 63/64 in Overall Length 2 13/16 in Includes Locking Arm No Thread Size 2-1/2 in-8 Plug Length 2 in