Dixon® Interchange Female Plug, Series: DQC K, 1/4-18 Nominal, Female NPTF, 3/4 in Hex, 1.22 in Length, 5000 psi, -40 to 250°F, 316 Stainless Steel, Polished Chrome, 0.87 in OD Dixon® K2F2-SS DQC K Interchange Female Plug, 1/4-18 Nominal, Female NPTF, 316 Stainless Steel