Nipple Application Air Natural Gas Non-Potable Water Oil Steam Finish/Coating Black Fitting Compatibility Schedule 40 Manufacture Location Globally Sourced Material Steel Maximum Operating Pressure 300 psi @ 150 Degrees F Maximum Steam Pressure 150 psi @ 350 Degrees F Metal Pipe Construction Welded Nominal Pipe Size 4 in Outside Diameter 4 1/2 in Overall Length 2 7/8 in Pipe Weld Type Electric Resistance Weld Schedule Schedule 40 Side A Connection Type Close Thread