Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R4120C154 found under Motor Alternating Current by Unifab Industries Inc. The National Stock Number assigned to this part is 6105008665147, 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 R4120C154.