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 6610-00-548-3452
NSN 5910-00-541-1381
NSN 6320-01-072-2073
NSN 5925-00-770-4068
NSN 5855-00-337-3679
NSN 5985-01-360-5617
NSN 6220-00-308-9728
NSN 5905-00-221-3346
NSN 7035-00-076-4097
NSN 5985-01-274-5037
NSN 6135-01-200-5144
NSN 6145-01-564-3706