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 4140-00-451-8374
NSN 6320-00-823-2015
NSN 6240-01-302-5678
NSN 5975-00-754-5299
NSN 5835-01-385-0579
NSN 5996-00-814-5309
NSN 7035-01-244-9179
NSN 6685-01-467-6980
NSN 6130-01-400-0736
NSN 6145-00-806-5333
NSN 5999-01-526-7178
NSN 5985-01-050-7170