Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C392-5-5 found under Fastener Flare Lock by Alcoa Fastening Systems Ltd. The National Stock Number assigned to this part is 5340009521040, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C392-5-5.