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 6620-00-602-5832
NSN 6320-01-397-0399
NSN 5950-01-138-5583
NSN 6620-00-663-8962
NSN 5950-01-501-5682
NSN 5996-01-459-6509
NSN 5945-01-498-0790
NSN 5905-01-208-3675
NSN 6610-00-734-5976
NSN 5930-01-250-2636
NSN 5998-00-690-3800
NSN 4140-01-587-1345