Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R8404A-1028 found under Relay Hybrid by Honeywell International Inc. The National Stock Number assigned to this part is 5945013397360, 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 R8404A-1028.