Nipple Application Air Natural Gas Non-Potable Water Propane Steam Fitting Compatibility Schedule 80 Gravity Flow No Inside Diameter 5/16 in Material Stainless Steel Material Grade 316 Maximum Operating Pressure 250 psi Maximum Operating Temperature 450 Degrees F Metal Pipe Construction Seamless Minimum Operating Temperature -60 Degrees F Nominal Pipe Size 1/4 in Outside Diameter 9/16 in Overall Length 4 in Schedule Schedule 80 Side A Connection Type Threaded