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 6150-00-306-2020
NSN 6110-01-207-8174
NSN 6110-01-644-6494
NSN 6620-01-039-5468
NSN 6145-01-459-6985
NSN 5905-00-849-4538
NSN 5905-01-583-5076
NSN 5910-01-606-9761
NSN 5925-01-332-1035
NSN 6220-01-512-7392
NSN 5965-01-465-4370
NSN 5950-01-524-0568