Nipple, Application Air, Natural Gas, Non-Potable Water, Propane, Steam, Inside Diameter 1 3/8 in, Material Stainless Steel, Material Grade 304, Maximum Operating Pressure 1268 psi @ 650 Degrees F, Maximum Operating Temperature 650 Degrees F, Metal Pipe Construction Seamless, Minimum Operating Temperature -20 Degrees F, Nominal Pipe Size 1 1/4 in, Outside Diameter 1 11/16 in, Overall Length 5 1/2 in, Schedule Schedule 40, Side A Gender Male, Side A Thread Type NPT, Side B Gender Male