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 5985-00-072-6325
NSN 6610-01-016-3566
NSN 5998-01-311-6851
NSN 5965-01-518-5090
NSN 6150-01-367-7091
NSN 6645-01-119-3496
NSN 6110-00-828-4050
NSN 5975-00-290-4285
NSN 5996-01-612-3403
NSN 6220-01-301-7671
NSN 6610-01-007-5997
NSN 2925-01-658-9457