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 6610-00-543-1402
NSN 5999-01-327-3672
NSN 6650-01-444-6364
NSN 2925-01-497-1364
NSN 5915-01-255-8278
NSN 6145-01-142-2234
NSN 5965-01-344-5467
NSN 6105-01-360-9624
NSN 5855-00-532-0025
NSN 4140-00-580-2742
NSN 5985-01-161-9709
NSN 6240-01-296-0587