Check the listing for details. BECK 330021601 Black Pipe Nipple,Threaded,3/4x7 In 11X092. Condition: New. Listed at 12.32 USD. Nipple, Application Air, Gas, Non-Potable Water, Oil, Steam, Finish/Coating Black Anodized, Fitting Compatibility Schedule 40, Inside Diameter 13/16 in, Manufacture Location Made in USA*, Material Steel, Material Grade Grade A, Maximum Operating Pressure 300 psi @ 150 Degrees F, Maximum Steam Pressure 150 psi @ 360 Degrees F, Metal Pipe Construction Welded, Nominal Pipe Size 3/4 in, Outside Diameter 1 3/64 in, Overall Length 7 in, Pipe Weld Type Continuous Weld, Schedule Schedule 40 This Beck nipple has a weld bead on the inside and is NPT threaded at both ends. Model is interchangeable with black cast iron or steel. For low-pressure plumbing applications including air, water, oil, natural gas, and steam. Certified for use in potable water applications.