Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 31840 found under Parts Kit Carburetor by Tecumseh Products. The National Stock Number assigned to this part is 2910004830992, 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 31840.