Dixon® Adapter, Series: 2404, Fitting/Connector Type: Adapter, 7/16-20 x 3/8-18 Nominal, 37° Male JIC Flare x Male NPTF, 4000 psi, 70°F, Steel, Zinc Plated Dixon® 2404-4-6 Adapter, 7/16-20 x 3/8-18 Nominal, 37° Male JIC Flare x Male NPTF, Steel