Nipple Application Air Natural Gas Non-Potable Water Propane Steam Finish/Coating Stainless Steel Fitting Compatibility Schedule 40 Gravity Flow No Inside Diameter 1/2 in Material Stainless Steel Material Grade 304 Maximum Operating Pressure 1538 psi 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 4 in Pipe Weld Type Continuous Weld