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 5935-00-423-6707
NSN 6130-00-487-4384
NSN 6220-01-156-7479
NSN 7035-00-495-2137
NSN 5975-01-390-0401
NSN 5930-01-217-6877
NSN 6145-01-308-9306
NSN 6220-00-847-1520
NSN 6645-01-541-2425
NSN 6150-00-960-7784
NSN 5920-01-417-1928
NSN 6645-01-265-0648