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 5990-00-754-5253
NSN 5915-00-115-5407
NSN 5855-01-562-0329
NSN 5960-01-337-8951
NSN 6110-01-352-7200
NSN 6650-00-478-5247
NSN 6130-00-344-8161
NSN 4140-00-322-9987
NSN 5996-00-679-5233
NSN 5915-01-561-4255
NSN 5950-00-045-4645
NSN 6105-01-617-0065