A bent hollow item, welded or seamless. It has a round, square or any other cross section, with a continuous periphery. It is primarily designed to convey fluids, gases and/or semisolids. Excludes items of circular cross section which conform in dimensional characteristics to pipe, metallic; elbow, pipe; elbow, tube; bend, electrical conduit; bend, pipe, return; and bend, tube, return. For items with end fittings on one or both ends, see tube assembly, metal.
Classification: Line pipe of a kind used for oil or gas pipelines, seamless, of iron (noncast) or nonalloy steel, with an outside diameter not exceeding 114.3 mm
NSN 5925-01-157-0546
NSN 5855-01-389-8884
NSN 5915-01-549-7984
NSN 6240-01-246-3248
NSN 2925-01-629-9416
NSN 5975-01-253-8087
NSN 5998-01-198-6449
NSN 6220-01-618-7446
NSN 5910-01-299-9032
NSN 6620-00-946-2677
NSN 5920-01-437-7513
NSN 6150-01-448-6560