The Grainger Approved 1/2 in. Black Iron Pipe Nipple is made from seamless carbon steel pipe. It has National Pipe Thread ends that comply with ANSI standards. The nipple has a pressure rating of 850 psi at 70°F. It can be used in steam, air, gas, oil, and water applications. The nipple measures 6 in. long and has an outside diameter of 0.840 in. It weighs 0.22 lbs. The nipple is zinc coated for corrosion resistance. It conforms to ASTM A733 standards.