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 5996-01-022-4462
NSN 4140-00-421-9772
NSN 4140-01-589-8593
NSN 5855-01-035-2866
NSN 5910-01-133-8336
NSN 6220-00-004-3685
NSN 5975-01-167-7427
NSN 6610-00-122-6625
NSN 6135-01-614-5335
NSN 6130-01-564-2470
NSN 5915-01-077-9096
NSN 5990-01-393-2278