Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 97 5143 found under Relay Electromagnetic by Federal Aviation Administration. The National Stock Number assigned to this part is 5945009469592, 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 97 5143.