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 6650-01-272-1912
NSN 5990-01-384-2697
NSN 5910-01-141-5720
NSN 5999-01-490-3272
NSN 5935-00-482-6057
NSN 5945-00-347-5153
NSN 6645-01-228-2127
NSN 6240-00-244-0483
NSN 7035-01-202-9250
NSN 6150-01-048-6670
NSN 6320-01-056-1164
NSN 2925-01-541-7217