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 5935-01-347-8716
NSN 6620-00-155-2608
NSN 6130-01-388-9961
NSN 5915-00-932-5324
NSN 5996-00-678-6611
NSN 5975-01-497-8845
NSN 5930-01-601-5749
NSN 5910-01-602-1663
NSN 5999-01-303-1431
NSN 5905-01-048-0031
NSN 6320-00-358-1946
NSN 2925-01-399-2765