Seamless Nipple Application LP Gas Natural Gas Oil Steam Finish/Coating Black Fitting Compatibility Schedule 160 Inside Diameter 2 1/8 in Manufacture Location Globally Sourced Material Steel Material Grade Grade B Metal Pipe Construction Seamless Nominal Pipe Size 2 1/2 in Outside Diameter 2 7/8 in Schedule Schedule 160 Side A Connection Type Close Thread Side A Gender Male Side A Thread Type NPT Side B Connection Type Close Thread Side B Gender Male Side B Thread Type NPT