Product Details
Merit Brass 125 lb lead free fitting 3/8" square head solid plug NPT female red brass fittings are suitable for low pressure applications involving water, oil, and gas (W.O.G.). These fittings have pressure ratings of 125 psi for steam and 200 psi for W.O.G., and they comply with ANSI B 1.20.1 and ANSI B 16.15 standards. They provide superior corrosion resistance compared to yellow brass, while the material's relative softness facilitates easy installation and ensures a tight seal. Primarily used for water in commercial plumbing and OEM applications, these brass fittings are also applicable in oil, gas, and steam environments.








