Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4842-23-800A found under Engine Block Assembly Gasoline by Toyo Kogyo Co Ltd. The National Stock Number assigned to this part is 2805011649350, 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 4842-23-800A.