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 6150-01-435-6554
NSN 5930-01-062-0074
NSN 4140-00-703-3207
NSN 5960-01-445-3622
NSN 5975-01-314-1297
NSN 4140-01-581-5490
NSN 5925-00-400-1561
NSN 6150-01-188-4579
NSN 6645-00-200-2322
NSN 5999-01-432-6483
NSN 5905-01-617-8085
NSN 6650-01-364-8504