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 6150-01-639-8152
NSN 5990-01-599-4721
NSN 5990-01-370-4785
NSN 5905-01-491-1952
NSN 5990-01-143-2518
NSN 5930-00-015-3979
NSN 5998-00-082-0368
NSN 7035-00-104-7613
NSN 6320-01-560-7177
NSN 5960-01-350-5332
NSN 2925-01-419-3805
NSN 5999-01-132-8393