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 6650-00-254-8974
NSN 6620-01-613-7600
NSN 6320-01-365-2701
NSN 5935-01-356-0741
NSN 5945-00-293-8333
NSN 5998-01-328-9154
NSN 5935-01-556-8907
NSN 5835-01-132-5894
NSN 5996-01-198-2127
NSN 5998-00-225-8522
NSN 6145-01-547-5274
NSN 6645-00-497-3495