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 6320-00-160-0899
NSN 6240-00-818-1364
NSN 5960-00-254-4271
NSN 4140-01-523-6012
NSN 6610-00-764-6627
NSN 5920-00-220-3548
NSN 4140-01-487-4232
NSN 5990-00-405-5182
NSN 6135-01-485-4512
NSN 5996-01-651-8601
NSN 6645-01-536-7933
NSN 6685-01-552-2017