Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R502455 found under Valve Poppet Engine by C K Power Products Corp. The National Stock Number assigned to this part is 2815015487344, 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 R502455.