A straight, hollow product, welded or seamless, of round, square, or any other cross section and continuous periphery, which does not conform in cross sectional dimensions to recognized pipe standards, or those in tables 1 through 10, appendix c, fiig a004a. It is designed to convey fluids, gasses, and/or semisolids. It may be rolled into coils for ease in handling. For items designed to join a tube or tube fitting to another tube, pipe, or hose or fitting, see adapter (as modified); coupling (as modified); or nipple (as modified). Excludes tube, bent (as modified); pipe, metallic; spacer, sleeve; metal bar (hollow); and items with fittings, except end protectors.
Classification: Other tubes, pipes and hollow profiles, seamless, circular cross-section, iron or nonalloy steel, cold-drawn or cold-rolled
NSN 6220-00-420-1245
NSN 6320-01-372-2796
NSN 6685-01-228-2893
NSN 6135-01-408-0313
NSN 2925-01-432-8452
NSN 5996-01-020-3429
NSN 7035-01-547-9632
NSN 5910-01-450-9289
NSN 5996-00-156-5967
NSN 5835-01-044-2628
NSN 5945-01-305-9735
NSN 6130-01-426-1544