Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number YL339-40 found under Wire Assembly by Wisconsin Motors Llc. The National Stock Number assigned to this part is 2920002440481, and the Federal Supply Class is 2920 Engine Electrical System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like YL339-40.