Dixon® Agricultural Ball Plug, Series: AG Series, 3/8-18 Nominal, Female NPTF, 15/16 in Hex, 1.61 in Length, 4000 psi, -40 to 250°F, Steel, Polished Chrome, 1.05 in OD Dixon® AG3F3 AG Series Agricultural Ball Plug, 3/8-18 Nominal, Female NPTF, Steel