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 5925-00-554-4114
NSN 6135-00-134-6648
NSN 5910-01-476-7272
NSN 5855-00-560-0110
NSN 6620-00-269-5168
NSN 4140-00-736-8813
NSN 6620-00-876-0776
NSN 6685-01-464-6932
NSN 5960-01-226-7297
NSN 6130-01-103-4551
NSN 6685-01-243-5833
NSN 6610-00-884-2824