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 5965-00-735-9315
NSN 6110-01-429-5680
NSN 6135-01-185-3614
NSN 5975-01-004-7966
NSN 5945-00-810-4693
NSN 5855-00-973-5717
NSN 5950-01-451-4040
NSN 5960-00-005-7132
NSN 6110-01-470-5710
NSN 6645-00-940-0774
NSN 5996-01-248-9699
NSN 5985-01-329-0093