Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FE 422 found under Turnbuckle Sleeve by Alcoa Fastening Systems Ltd. The National Stock Number assigned to this part is 5340011179592, 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 FE 422.