Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KFZ4300.5023 found under Filter Radio Frequency Interfere by Schuster Electronics Inc. The National Stock Number assigned to this part is 5915013574228, and the Federal Supply Class is 5915 Filters And Networks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KFZ4300.5023.