Nipple Application Air Fitting Compatibility Schedule 40 Inside Diameter 2 31/64 in Material Aluminum Material Grade 6063-T6 Maximum Operating Pressure 125 psi @ 72 Degrees F Metal Pipe Construction Seamless Nominal Pipe Size 2 1/2 in Outside Diameter 2 7/8 in Overall Length 9 in Resistance Properties Corrosion-Resistant Schedule Schedule 40 Side A Connection Type Threaded Side A Gender Male Side A Thread Type NPT Side B Connection Type Threaded Side B Gender Male