Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RFK-4890 found under Relay Electromagnet by Hi G Co Inc. The National Stock Number assigned to this part is 5945011139027, 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 RFK-4890.