Nipple Application Air Gas Non-Potable Water Oil Steam Finish/Coating Galvanized Fitting Compatibility Schedule 40 Inside Diameter 4 1/32 in Manufacture Location Made in USA Material Steel Material Grade Grade A Maximum Operating Pressure 150 psi @ 150 Degrees F Metal Pipe Construction Welded Nominal Pipe Size 4 in Outside Diameter 4 1/2 in Overall Length 11 1/2 in Pipe Weld Type Continuous Weld Schedule Schedule 40 Side A Connection Type Threaded Side A Gender Male