Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MH5000-100A5 found under Valve Poppet Engine by Mancraft Industries Inc. The National Stock Number assigned to this part is 2805002719554, 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 MH5000-100A5.