Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S1E10205 ITEM 16 found under Valve Poppet Engine by Vacco Industries. The National Stock Number assigned to this part is 2815015435950, 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 S1E10205 ITEM 16.