Camlock Fittings SNAPLOCK® Camlock Adapter, Type A, Fitting/Connector Type: Adapter, 1-1/2 in Nominal Size, Cam and Groove Male Adapter x FNPT, 250 psi, Aluminum, Gravity Casting
Type A adapters are normally used with Type D couplers, but can be used with Type B and C couplers as well as DC (dust cap) of identical size.