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 6610-01-389-3082
NSN 2925-00-167-6763
NSN 6145-01-283-5505
NSN 5935-01-107-8837
NSN 5950-01-092-3366
NSN 6620-01-528-3612
NSN 4140-01-163-8796
NSN 6610-01-032-5335
NSN 6145-01-486-0022
NSN 6145-01-137-4473
NSN 6145-01-361-8877
NSN 6620-01-583-8155