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 4140-01-540-4586
NSN 5998-01-660-3959
NSN 6610-01-442-3509
NSN 5855-00-821-7512
NSN 5996-01-553-4952
NSN 4140-01-555-8190
NSN 5965-00-407-4828
NSN 5990-00-295-0968
NSN 6105-00-342-0671
NSN 5895-00-894-3762
NSN 5945-00-057-4855
NSN 6150-00-836-0793