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 4140-01-255-2420
NSN 5905-01-299-1435
NSN 6220-00-420-1245
NSN 5965-00-439-6287
NSN 6240-01-017-8281
NSN 5999-00-446-6851
NSN 6685-00-678-2244
NSN 5895-01-301-3928
NSN 5895-00-752-0549
NSN 5990-01-384-2697
NSN 6110-00-807-6584
NSN 6610-01-232-4802