Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6FZ4C91963 found under Relay Electromagnetic by U S Dept Of Transportation Federal. The National Stock Number assigned to this part is 5945000862149, and the Federal Supply Class is 5945 Relays And Solenoids. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 6FZ4C91963.