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 5975-00-104-5399
NSN 5990-00-115-5851
NSN 5915-01-365-5581
NSN 5835-01-597-4820
NSN 5915-00-220-9912
NSN 5998-00-287-9206
NSN 5855-00-937-7709
NSN 5945-00-424-8942
NSN 6135-01-442-0888
NSN 5920-00-925-2639
NSN 6610-01-323-9426
NSN 6130-00-806-2731