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 5855-01-250-2421
NSN 5975-01-060-4903
NSN 5915-00-914-0063
NSN 5910-01-085-9931
NSN 6105-01-422-1835
NSN 5990-01-013-8464
NSN 6685-00-184-3894
NSN 6105-01-621-2527
NSN 5990-01-140-5497
NSN 6110-00-853-1173
NSN 6150-00-280-4500
NSN 6645-01-544-3581