Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F801-12-116A found under Insert Engine Valve Seat by Toyo Kogyo Co Ltd. The National Stock Number assigned to this part is 2815015629503, 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 F801-12-116A.