Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number G4420020 found under Ring Set by Wausau Plant Machining Div. The National Stock Number assigned to this part is 2805001730526, 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 G4420020.