Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5139421 found under Plate Camshaft Thrust by Mtu America Incorporated. The National Stock Number assigned to this part is 2815012161110, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5139421.