Dixon® Interchange Female Plug, Series: DQC K, 3/8-18 Nominal, Female NPTF, 7/8 in Hex, 1.7 in Length, 4000 psi, -40 to 250°F, 316 Stainless Steel, Polished Chrome, 0.97 in OD Dixon® K3F3-SS DQC K Interchange Female Plug, 3/8-18 Nominal, Female NPTF, 316 Stainless Steel