Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S104F428-08 found under Sleeve Fastener Fla by Alcoa Global Fasteners Inc. The National Stock Number assigned to this part is 5340007964056, 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 S104F428-08.