Dixon 17-863 Steel Industrial Hydraulic Quick-Connect Fitting, Poppet Valve Plug, 1" Coupling x 1"-11-1/2 NPTF Industrial interchange quick connect poppet valve plug to connect directly to a hose with a female NPTF end to connect with a male NPTF threaded connection Industrial interchange poppet valve plug with a female NPTF threaded end Poppet-style shut-off valve prevents fluid loss when disconnected Steel for stronger welded joints and greater rust resistance than wrought iron Includes NBR gasket 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