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 5990-01-552-1503
NSN 5960-00-836-3058
NSN 6145-00-308-7189
NSN 4140-01-502-8290
NSN 5925-01-388-3325
NSN 6645-01-400-2119
NSN 6220-00-781-9381
NSN 6645-01-128-9353
NSN 6685-00-826-9381
NSN 4140-00-237-5797
NSN 6645-01-469-2458
NSN 5990-00-138-0854