Nipple Application Air Fitting Compatibility Schedule 40 Inside Diameter 3 3/32 in Material Aluminum Material Grade 6063-T6 Maximum Operating Pressure 125 psi @ 72 Degrees F Metal Pipe Construction Seamless Nominal Pipe Size 3 in Outside Diameter 3 1/2 in Overall Length 12 in Resistance Properties Corrosion-Resistant Schedule Schedule 40 Side A Connection Type Unthreaded Side B Connection Type Unthreaded Standards ANSI/ASME B1.20.1 ASTM B241 Thread Configuration Unthreaded