Cam and Groove Adapter Plug Body Material 316 Stainless Steel 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 31/32 in Overall Length 3 25/32 in Includes Locking Arm No Thread Size 2-1/2 in -8 Plug Length 1 15/16 in