Cam and Groove Coupling, Socket, Body Material 316 Stainless Steel, Type DL, Coupling Size 1 1/2 in, Connection Type Flange, Flange, Max. Working Pressure @ 70 F 250 psi, Socket Inside Diameter 1 1/2 in, Gasket Material Nitrile, Overall Length 4 7/16 in, Includes Locking Arm No