Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F1DK102U found under Switch Fiber Optic by Belkin Components. The National Stock Number assigned to this part is 6021015650816, and the Federal Supply Class is 6021 Fiber Optic Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like F1DK102U.