Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MPD12312-12VDC found under Relay Electromagnetic by Cooper Industries Inc. The National Stock Number assigned to this part is 5945009340286, 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 MPD12312-12VDC.