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 6240-00-319-0452
NSN 5910-01-171-6519
NSN 4140-00-269-5795
NSN 5920-01-489-7090
NSN
NSN 6645-01-258-5558
NSN 6620-01-644-3496
NSN 5935-01-555-0863
NSN 6650-00-932-2048
NSN 5975-01-495-0813
NSN 6130-00-280-3696
NSN 5985-01-617-7557