Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F600I299 found under Valve Poppet Engine by Clark Equipment Co. The National Stock Number assigned to this part is 2805003839015, and the Federal Supply Class is 2805 Gasoline Reciprocating Engines Except Aircraft And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like F600I299.