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 6685-01-606-0867
NSN 6645-00-599-8890
NSN 5999-01-516-4396
NSN 7035-01-145-5059
NSN 6645-01-067-0780
NSN 2925-00-265-7539
NSN 2925-01-178-0063
NSN 5905-01-570-4618
NSN 5920-00-097-1108
NSN 6320-01-334-5305
NSN 6685-01-471-3554
NSN 6645-01-464-4937