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 5975-01-360-7387
NSN 5985-01-477-9196
NSN 6645-01-422-3328
NSN 7035-00-270-5519
NSN 6105-01-439-7848
NSN 4140-00-753-6888
NSN 5905-01-240-4012
NSN 6150-01-604-2812
NSN 6135-01-106-7740
NSN 5935-01-415-4468
NSN 5895-01-626-4865
NSN 5920-01-418-1821