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 6320-01-486-8004
NSN 6240-01-377-5503
NSN 4140-01-534-9987
NSN 6650-01-025-7425
NSN 6105-01-470-0612
NSN 6145-01-466-0113
NSN 5999-00-971-6832
NSN 4140-01-329-3428
NSN 5905-00-527-7149
NSN 5915-01-190-9476
NSN 5930-01-603-8750
NSN 5975-01-255-1744