Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A543REVC found under Relay Electromagnet by The Technical Material Corporation. The National Stock Number assigned to this part is 5945006661170, 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 A543REVC.