For use in a cooling air system
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 5999-01-416-0041
NSN 4140-00-968-4947
NSN 5855-01-480-6386
NSN 5910-01-184-9273
NSN 5950-00-530-7273
NSN 6685-01-376-5957
NSN 5905-01-105-6234
NSN 5920-00-422-5517
NSN 5945-01-384-1990
NSN 5905-01-280-0753
NSN 6320-01-157-9076
NSN 6240-01-066-9905