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 6150-01-176-0221
NSN 6320-00-149-7570
NSN 5945-01-023-1668
NSN 6145-01-533-4430
NSN 4140-01-433-1192
NSN 2925-00-041-0439
NSN 6135-00-519-1325
NSN 5925-01-540-3872
NSN 6240-01-616-1746
NSN 5960-00-878-1882
NSN 6320-00-110-8005
NSN 5945-01-088-6526