Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2N3946 found under Valve Fuel Injector by Ohio Machinery Co. The National Stock Number assigned to this part is 2910010476025, 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 2N3946.