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 5965-01-390-6725
NSN 5945-01-395-0751
NSN 5920-00-636-4713
NSN 5835-00-777-8333
NSN 5965-01-373-8858
NSN 5895-00-552-9140
NSN 6145-00-537-7059
NSN 4140-01-058-6339
NSN 6645-00-588-7611
NSN 6135-01-633-8502
NSN 6620-00-236-2048
NSN 5996-01-419-5756