Standard Black Nipple Application Air Natural Gas Non-Potable Water Oil Steam Fitting Compatibility Schedule 80 Inside Diameter 61/64 in Manufacture Location Made in USA Material Steel Material Grade Grade B Metal Pipe Construction Welded Nominal Pipe Size 1 in Outside Diameter 1 5/16 in Overall Length 6 in Pipe Weld Type Continuous Weld Schedule Schedule 80 Side A Connection Type Threaded Side A Gender Male Side A Thread Type NPT Side B Connection Type Threaded