Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6204E1 found under Relay Reverse Phase by Otis Elevator Co. The National Stock Number assigned to this part is 5945000724096, 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 6204E1.