MATERIAL: Forge brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability.
FUNCTION: 1/4" male x 1/4" male NPT threads equal diameter hex nipple for connecting two female threaded pipes with same diameters. Or Extending the pipe length. Hard-connected, it does not need extra sealing for most situation.
TEMPERATURE RATING: Operating temperatures range from -65 to 250 degrees F, Operating pressure: 290 PSI.
WIDE APPLICATION: Apply to home plumbing pipes, grease, fuels, natural gas, refrigeration, instrumentation, hydraulic and other applications.
NOTICE: NPT thread size does not actual diameter, it is only nominal pipe size.