Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EF300R5 found under Motor Alternating C by Eldon Industries Inc. The National Stock Number assigned to this part is 6105016212214, and the Federal Supply Class is 6105 Motors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like EF300R5.