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 5950-00-197-4044
NSN 6135-00-782-6988
NSN 6610-00-019-6733
NSN 6150-00-988-4482
NSN 6220-01-291-7479
NSN 6645-01-471-4960
NSN 5905-01-593-2099
NSN 6150-00-514-0899
NSN 5915-01-522-8077
NSN 5895-00-366-0216
NSN 5990-01-307-4489
NSN 6130-00-857-4491