Nipple Application Air Fitting Compatibility Schedule 40 Inside Diameter 1 25/64 in Material Aluminum Material Grade 6063-T6 Maximum Operating Pressure 125 psi @ 72 Degrees F Metal Pipe Construction Seamless Nominal Pipe Size 1 1/4 in Outside Diameter 1 21/32 in Overall Length 4 1/2 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