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 5855-01-287-6391
NSN 5965-01-003-2641
NSN 5945-00-064-7441
NSN 5930-00-469-8181
NSN 5990-01-568-5565
NSN 5855-00-631-4565
NSN 5945-01-417-2146
NSN 5999-01-392-9308
NSN 5996-01-188-3831
NSN 5990-01-149-0691
NSN 5950-01-565-5992
NSN 6620-01-193-7774