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 5930-01-544-4390
NSN 5965-01-521-3224
NSN 6320-01-616-0843
NSN 5925-01-274-9349
NSN 6650-00-629-8027
NSN 6105-01-295-5307
NSN 5950-01-381-1361
NSN 2925-01-033-0141
NSN 6320-01-541-7585
NSN 6110-01-394-4163
NSN 6220-01-237-2488
NSN 5925-01-093-5961