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 5960-01-170-4057
NSN 2925-01-197-7864
NSN 5925-01-536-9422
NSN 5910-01-452-6112
NSN 5975-01-244-7577
NSN 6645-01-231-6636
NSN 5975-01-551-0690
NSN 6145-00-473-8709
NSN 6320-00-164-4087
NSN 5895-00-203-2379
NSN 5920-01-069-3433
NSN 6110-01-429-8668