Nipple Application Air Natural Gas Non-Potable Water Propane Steam Inside Diameter 1 5/8 in Material Stainless Steel Material Grade 304 Maximum Operating Pressure 1179 psi Maximum Operating Temperature 650 Degrees F Metal Pipe Construction Seamless Minimum Operating Temperature -20 Degrees F Nominal Pipe Size 1 1/2 in Outside Diameter 1 7/8 in Overall Length 2 in Schedule Schedule 40 Side A Gender Male Side A Thread Type NPT Side B Connection Type Unthreaded