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 6610-01-209-5798
NSN 5895-00-893-3207
NSN 5935-00-016-7365
NSN 5960-00-636-4834
NSN 5910-00-064-2919
NSN 5855-01-231-4945
NSN 5950-00-971-6994
NSN 6105-00-273-1106
NSN 6320-01-373-5287
NSN 4140-01-413-8397
NSN 5915-01-004-6316
NSN 6610-01-557-4220