Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 39R4-123M1 found under Motor Alternating C by Ellis And Watts International Llc. The National Stock Number assigned to this part is 6105011749536, 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 39R4-123M1.