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 5990-00-158-5392
NSN 5996-00-222-6049
NSN 5990-01-421-5342
NSN 5985-00-215-0667
NSN 5990-01-476-9956
NSN 2925-00-278-9468
NSN 5996-01-289-9690
NSN 5945-00-881-0233
NSN 5855-01-149-4110
NSN 5950-00-725-2946
NSN 5990-01-529-8433
NSN 5999-01-512-1608