About This NPT Thread Size & Fitment: Fits standard 1/2" NPT Male to 1/2" NPT Male hex nipple adapter threads. NPT is a nominal pipe size, not actual diameter. Approx. 0.75" OD × 0.75" OD. Please confirm size before ordering. Not compatible with compression fittings. Premium Materials: Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability Wide Application: This pipe fitting can apply to water, air, gas, oil, and fuel High Quality Threads: The 1/2 inch x 1/2 inch npt brass fitting is an adapter for connecting two NPT female threaded pipes, high quality and deep threads allow the fittings to bite better, not easy to slip Note: This product can expose you to chemicals including lead(1.8%~3.7%), which is not allowed by federal law to be installed for potable water use in the U.S.A. and its territories Overview Size : 1/2" x 1/2" NPT Male Material : Brass Brand : T TANYA HARDWARE Color : Brass Connector Type : Adapter Thread Size : 1/2 inch Exterior Finish : Brass Thread Type : NPT Item Weight : 0.09 Kilograms Number of Pieces : 2