About This Material: suitable for water, oil, fuel, liquefied petroleum gas, natural gas, and can be used to connect various pipes and pneumatic tools. A fitting used to terminate flow at one end of a pipe. FUNCTION: 1/4" NPT Male threads Square Head Plug for connect one end of a pipe to terminate flow. Hard-connected, it does not need extra sealing for most situation,NPT thread size does not actual diameter, it is only nominal pipe size. FEATURES: Forged brass fittings, corrosion resistance, ductility at high temperatures, and low magnetic permeability. Operating temperatures range from -53 to 121℃ (-65 to 250 ℉). Operating pressure: 150 PSI. WIDE APPLICATION: Apply to home plumbing pipes, grease, fuels, natural gas, refrigeration, instrumentation, hydraulic and other applications. NOTICE:Before Using Pipe Fitting And Other Connecting Products, Wrap Proper Amount Of Teflon Tape To Prevent Air Leakage. Overview Size : 1/4" NPT Material : Brass Brand : GASHER Color : Square Plug(Brass) Item Weight : 3.2 ounces Manufacturer : GASHER