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 4140-00-490-9028
NSN 6110-01-069-7817
NSN 6135-00-884-7897
NSN 5999-00-955-5704
NSN 5935-01-486-1001
NSN 7035-01-227-7492
NSN 5945-01-033-7751
NSN 6105-00-785-6481
NSN 5985-00-694-5381
NSN 6610-01-096-8746
NSN 6240-00-617-9599
NSN 5990-01-386-5561