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 5960-01-419-2167
NSN 5965-01-381-2998
NSN 6320-00-228-5678
NSN 6685-01-456-9973
NSN 6130-01-660-3211
NSN 6650-00-148-5878
NSN 6620-00-816-9755
NSN 5985-00-289-9862
NSN 6620-01-411-5750
NSN 6610-01-352-6344
NSN 6145-01-257-2332
NSN 6645-01-602-0000