Nipple Application Air Natural Gas Non-Potable Water Propane Steam Fitting Compatibility Schedule 80 Inside Diameter 47/64 in Material Stainless Steel Material Grade 304 Maximum Operating Pressure 150 psi @ 72 Degrees F Maximum Steam Pressure 150 psi @ 360 Degrees F Metal Pipe Construction Seamless Nominal Pipe Size 3/4 in Outside Diameter 1 3/64 in Overall Length 4 in