Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 129927-22080 found under Piston Valve by Yanmar Diesel America Corp. The National Stock Number assigned to this part is 2815016220240, 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 129927-22080.