Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11B198 found under Plug Carburetor by Acf Industries Inc. The National Stock Number assigned to this part is 2910007347716, and the Federal Supply Class is 2910 Engine Fuel System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 11B198.