Eaton Weatherhead 6703 Brass Needle Valve, Flare Angle, 90 Degree Elbow, 5/16" Tube OD x 1/4" Male Pipe Thread 90-degree elbow needle valve for controlling air or liquid flow Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability Adapts 1/4" NPT male fitting to 5/16" SAE 45-degree flare male end