Pipe Nipple, Application Air, Non-Potable Water, Oils, Finish/Coating Not Applicable, Fitting Compatibility Class 125, Inside Diameter 1 5/8 in, Material Aluminum, Material Grade 6063-T6, Maximum Operating Pressure 125 psi @ 72 Degrees F, Maximum Operating Temperature Not Applicable, Maximum Steam Pressure Not Applicable, Metal Pipe Construction Seamless, Minimum Operating Temperature Not Applicable, Nominal Pipe Size 1 1/2 in, Outside Diameter 1 29/32 in, Overall Length 3 in