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 7035-01-657-7183
NSN 5835-01-509-9717
NSN 6685-01-377-0519
NSN 6110-01-363-4023
NSN 6150-01-199-0855
NSN 6150-01-546-5455
NSN 5998-00-840-8974
NSN 4140-00-388-6829
NSN 6645-01-142-2416
NSN 5855-00-106-1640
NSN 6145-01-278-3832
NSN 4140-01-184-5648