Dixon 3HTF4 Steel Flush Face Hydraulic Quick-Connect Fitting, Coupler, 3/8" Coupling x 1/2"-14 NPTF Flush face quick connect plug for connecting directly to a hose with a female NPTF end to connect with a male NPTF threaded connection Flush face hydraulic quick connect coupler with a female NPTF threaded end Flush face valve design minimizes fluid loss Steel for stronger welded joints and greater rust resistance than wrought iron Conforms to ISO 16028 specifications for hydraulic fluid power, flush-face type, quick-action couplings