The 3/4" x 7" Black Pipe Nipple is a threaded pipe fitting made from black steel. It has National Pipe Thread ends and is 7 inches long. The nipple has a pressure rating of 2000 psi at 70°F and is commonly used in plumbing, irrigation, and industrial piping applications. The nipple is made in the USA and conforms to ASTM A733 standards. It can join other threaded fittings and valves in piping systems that convey water, air, natural gas, or other fluids.