Dixon® Cam and Groove Adapter, Type A, Series: Boss-Lock™, Adapter, 4 in Nominal, Male Adapter x FNPT, 3-1/8 in Length, 100 psi, Brass, Domestic Dixon® 400-A-BR Boss-Lock™ Type A Cam and Groove Adapter, 4 in, Male Adapter x FNPT, Brass, Domestic