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 6135-01-470-4077
NSN 5925-01-474-6045
NSN 6620-01-464-3087
NSN 5960-00-656-2451
NSN 5895-01-032-8238
NSN 6645-00-047-9470
NSN 6685-00-226-5700
NSN 2925-01-069-5324
NSN 5905-01-320-0446
NSN 6240-01-426-5581
NSN 5960-01-273-7044
NSN 6645-01-459-2350