Dixon B16-263 Brass Industrial Hydraulic Quick-Connect Fitting, Poppet Valve Coupler, 1/4" Coupling x 1/4" - 18 NPTF Industrial interchange quick connect poppet valve coupler connects directly to a hose with a female NPTF end to connect with a male NPTF threaded connection Industrial interchange poppet valve coupler with a female NPTF threaded end Poppet-style shut-off valve prevents fluid loss when disconnected Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability with NBR seal for high tensile strength and resistance to abrasion, tear, and compression set Meets dimensional requirements of Series B in ISO 7241-1 which describes interface dimensions and basic performance requirements