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 6645-00-072-9243
NSN 6645-00-796-7206
NSN 6620-00-464-6105
NSN 5945-00-155-4290
NSN 6150-00-186-7804
NSN 5935-00-104-7220
NSN 5965-01-360-0454
NSN 6145-01-252-0394
NSN 5945-01-552-3913
NSN 6240-00-489-3257
NSN 6610-01-463-5368
NSN 6135-01-618-8314