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 5920-01-359-3982
NSN 6320-01-536-3077
NSN 6110-01-010-0905
NSN 5945-00-833-9885
NSN 6145-01-451-7412
NSN 4140-01-206-2397
NSN 6620-01-038-5801
NSN 6620-00-982-6855
NSN 6110-01-308-2038
NSN 5965-01-554-2431
NSN 6150-00-144-7115
NSN 6620-00-165-1749