Eaton Weatherhead 48X6X6 Brass CA360 SAE 45 Degree Flare, Adapter, 3/8" NPT Male x 3/8" SAE Male (Pack of 5) Adapts 3/8" NPT male end to 3/8" SAE 45-degree flare male end Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability For use with LP and natural gas, refrigeration, and hydraulic applications