Steel per mil-s-18729
An item of various configuration that is an integral member of the airframe structure. It is specifically designed for the purpose of maintaining, positioning, joining, and strengthening the aircraft structure. It may include holes for mounting purposes or 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 5920-01-537-9054
NSN 6145-00-643-4962
NSN 5999-01-420-6579
NSN 5910-01-100-4907
NSN 6135-01-540-9655
NSN 5935-01-633-3873
NSN 6145-01-260-5940
NSN 5920-01-497-2352
NSN 5920-01-628-5797
NSN 7035-01-374-0005
NSN 5998-00-382-7497
NSN 6685-01-501-5362