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 5990-00-518-0684
NSN 6145-00-155-5297
NSN 6620-00-456-0404
NSN 5965-01-542-8510
NSN 5999-00-390-1324
NSN 5835-01-580-0446
NSN 5855-00-560-0110
NSN 6130-00-639-0666
NSN 6650-01-215-4487
NSN 5930-01-494-3405
NSN 5945-00-036-7272
NSN 5855-00-058-1293