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 6220-01-502-8991
NSN 6145-01-495-0819
NSN 5910-01-423-8223
NSN 6320-00-331-7138
NSN 6105-01-549-6046
NSN 6110-00-857-4274
NSN 5945-00-448-2784
NSN 5930-01-487-6597
NSN 5960-01-104-7839
NSN 5999-01-440-9622
NSN 6105-01-222-0800
NSN 2925-00-516-8841