Nipple Application LP Gas Natural Gas Oil Steam Finish/Coating Black Fitting Compatibility Class 6000 Gravity Flow No Inside Diameter 1 3/8 in Manufacture Location Globally Sourced Material Steel Maximum Operating Pressure 2555 psi @ 650 Degrees F Maximum Steam Pressure 4852 psi @ 366 Degrees F Metal Pipe Construction Seamless Nominal Pipe Size 1 1/4 in Outside Diameter 1 21/32 in Overall Length 3 in Pipe Weld Type Electric Resistance Weld Schedule Schedule 160