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 6320-00-500-4172
NSN 5905-01-248-8762
NSN 5985-01-468-5355
NSN 6110-00-260-0130
NSN 5960-01-567-1096
NSN 6610-01-157-0426
NSN 5990-01-548-3711
NSN 6105-00-202-2469
NSN 6685-01-608-2187
NSN 5855-01-416-5085
NSN 4140-01-619-0289
NSN 6685-00-079-0313