An item designed as a principal member of various primary structures within an aircraft. It provides strength, rigidity and the like while maintaining the proper dimensional distances as required. It may include holes for mounting and/or joining to other items to form an assembly.
Classification: Other parts, nesoi, for use in other military aircraft, spacecraft and spacecraft launch vehicles (excluding parts of communication satellites)
NSN 5910-00-317-7913
NSN 5996-00-409-3127
NSN 5998-01-077-1454
NSN 5925-01-101-1857
NSN 5915-01-027-0800
NSN 6145-01-013-8463
NSN 5935-01-441-8740
NSN 5925-01-032-5389
NSN 6105-01-477-7491
NSN 5925-01-050-6571
NSN 5935-01-534-0434
NSN 6220-01-305-3880