Sikorsky aircraft, ch-53a chopper
No other part numbers with same form, fit, and function found.
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 5910-01-494-4869
NSN 6220-00-534-1829
NSN 5905-01-525-8685
NSN 5895-01-609-8688
NSN 5960-00-819-3926
NSN 5910-01-630-5595
NSN 6135-00-112-8637
NSN 6145-01-004-8343
NSN 5950-01-200-9802
NSN 7035-00-991-6877
NSN 5990-00-594-7291
NSN 5835-00-174-7763