Nipple Application Air Natural Gas Non-Potable Water Propane Steam Fitting Compatibility Schedule 40 Gravity Flow No Inside Diameter 1/2 in Material Stainless Steel Material Grade 304 Maximum Operating Pressure 1920 psi @ 650 Degrees F Maximum Operating Temperature 650 Degrees F Metal Pipe Construction Welded Minimum Operating Temperature -20 Degrees F Nominal Pipe Size 3/8 in Outside Diameter 11/16 in Overall Length 1 1/2 in Pipe Weld Type Continuous Weld Schedule Schedule 40