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 6220-00-113-3166
NSN 5975-01-285-7321
NSN 6610-01-499-8788
NSN 5950-00-952-0761
NSN 6135-01-050-3194
NSN 5996-00-212-8004
NSN 5975-01-056-9142
NSN 6620-01-277-3947
NSN 6645-01-262-3066
NSN 6645-01-400-1137
NSN 4140-00-936-9189
NSN 5975-01-386-8888