Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RE520885 found under Tappet Engine Poppet Valve by C K Power Products Corp. The National Stock Number assigned to this part is 2815015485780, 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 RE520885.