Nipple Application Air Natural Gas Non-Potable Water Propane Steam Fitting Compatibility Schedule 40 Gravity Flow No Inside Diameter 3/8 in Material Stainless Steel Material Grade 316 Maximum Operating Pressure 150 psi Maximum Operating Temperature 450 Degrees F Metal Pipe Construction Welded Minimum Operating Temperature -60 Degrees F Nominal Pipe Size 1/4 in Outside Diameter 9/16 in Overall Length 6 in Pipe Weld Type Continuous Weld Schedule Schedule 40