Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K5128640 found under Push Rod Engine Poppet Valve by Korody Colyer Corp. The National Stock Number assigned to this part is 2815003456073, 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 K5128640.