Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EMS300-1224-D-00 found under Relay Assembly by Sure Power Inc. The National Stock Number assigned to this part is 5945015018715, 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 EMS300-1224-D-00.