Parker Hannifin 14FSV-4 Brass Swivel Nut Valve Connector 45 Degree Flare Fitting, 1/4" NPT Swivel Nut Tube x 1/4" NPT Swivel Nut Tube All brass construction Forged nuts for refrigeration applications Long nuts for vibration U.L. listed for flammable liquids Metal-to-metal seal