Pipe Nipple, Application Air, Gases, Non-Potable Water, Oils, Finish/Coating Black Anodized, Fitting Compatibility Not Applicable, Inside Diameter 39/64 in, Manufacture Location Made in USA, Material Steel, Material Grade Grade B, Maximum Operating Pressure 300 psi @ 150 Degrees F, Maximum Operating Temperature Not Applicable, Maximum Steam Pressure 150 psi @ 360 Degrees F, Metal Pipe Construction Welded, Minimum Operating Temperature Not Applicable, Nominal Pipe Size 1/2 in. This item has been restricted from sale in the following state (s): []