Nipple Application LP Gas Natural Gas Oil Steam Finish/Coating Black Fitting Compatibility Class 6000 Gravity Flow No Inside Diameter 3 7/16 in Manufacture Location Globally Sourced Material Steel Maximum Operating Pressure 3560 psi @ 650 Degrees F Maximum Steam Pressure 3560 psi @ 650 Degrees F Metal Pipe Construction Seamless Nominal Pipe Size 4 in Outside Diameter 4 1/2 in Overall Length 4 in Pipe Weld Type Electric Resistance Weld Schedule Schedule 160