Nipple Application Air Natural Gas Non-Potable Water Propane Steam Inside Diameter 1 1/2 in Material Stainless Steel Material Grade 304 Maximum Operating Pressure 150 psi Maximum Operating Temperature 450 Degrees F Metal Pipe Construction Seamless Minimum Operating Temperature -60 Degrees F Nominal Pipe Size 1 1/4 in Outside Diameter 1 3/4 in Overall Length 1 1/2 in Schedule Schedule 40 Side A Gender Male Side A Thread Type NPT Side B Connection Type Unthreaded