Pipe Nipple, Application Air, Gases, Non-Potable Water, Oils, Finish/Coating Black Anodized, Inside Diameter 1 1/2 in, Manufacture Location Made in USA, Material Steel, Material Grade Not Applicable, Maximum Operating Pressure 1, 500 psi @ 150 Degrees F, Maximum Operating Temperature Not Applicable, Maximum Steam Pressure 300 psi @ 550 Degrees F, Metal Pipe Construction Seamless, Minimum Operating Temperature Not Applicable, Nominal Pipe Size 1 1/2 in, Outside Diameter 1 57/64 in