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.
NSN 4140-01-023-1537
NSN 6240-00-525-9165
NSN 6145-00-791-9820
NSN 6645-01-505-5772
NSN 6135-01-533-8196
NSN 5998-01-252-8115
NSN 7035-00-981-7216
NSN 5905-00-187-4552
NSN 4140-01-149-0926
NSN 6650-01-484-9505
NSN 5960-00-153-7115
NSN 6220-01-506-9654