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 5910-01-280-9143
NSN 5835-01-386-4027
NSN 7035-01-187-4286
NSN 6240-00-674-8344
NSN 5905-01-596-3936
NSN 4140-00-420-0251
NSN 6130-01-197-6769
NSN 4140-01-029-4129
NSN 7035-01-479-5268
NSN 5990-01-633-9503
NSN 2925-01-480-8273
NSN 5925-01-324-9474