Critical, export control
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 5999-01-153-2661
NSN 5996-01-457-7765
NSN 5925-01-383-4076
NSN 4140-01-384-4143
NSN 6645-00-583-0066
NSN 5925-01-445-6112
NSN 5990-01-118-8624
NSN 6685-00-952-2027
NSN 5935-01-446-3830
NSN 5930-01-010-2865
NSN 6320-01-466-4175
NSN 5975-01-058-3536