Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AH30-1031U20 found under Relay Electromagnet by Cooper Industries Inc. The National Stock Number assigned to this part is 5945010495279, 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 AH30-1031U20.