Check the listing for details. GRAINGER APPROVED 1LLX6 Black Pipe Nipple,Threaded,1/4x4 In 1LLX6. Condition: New. Listed at 3.98 USD. Nipple, Application Air, Natural Gas, Non-Potable Water, Oil, Steam, Finish/Coating Black, Fitting Compatibility Schedule 80, Manufacture Location Globally Sourced, Material Steel, Maximum Operating Pressure 2000 psi @ 150 Degrees F, Maximum Steam Pressure 300 psi @ 550 Degrees F, Metal Pipe Construction Seamless, Nominal Pipe Size 1/4 in, Outside Diameter 17/32 in, Overall Length 4 in, Schedule Schedule 80, Side A Connection Type Threaded, Side A Gender Male, Side A Thread Type NPT This Grainger Approved nipple features seamless construction that provides excellent protection against leaks. Thicker walls allow use in higher-pressure applications than Schedule 40 nipples. For use in high pressure applications with air, water, oil, natural gas, and steam. Manufactured per ASTM A733 with NPT.