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 6320-00-108-7049
NSN 6645-01-400-2119
NSN 6240-01-613-2503
NSN 4140-01-068-3500
NSN 5935-00-426-6553
NSN 6150-01-117-4773
NSN 5925-01-265-7749
NSN 6135-01-029-9315
NSN 5915-00-428-3688
NSN 6130-01-580-0271
NSN 5930-00-941-4092
NSN 5835-00-723-2505