Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3A12E200 found under Relay Reed by Electronic Applications Co. The National Stock Number assigned to this part is 5945010215699, 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 3A12E200.