Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D99-4160 found under Armature Motor by Hayes Diversified Technologies Inc. The National Stock Number assigned to this part is 2920015474135, 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 D99-4160.