Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CY4002 found under Coil Ignition by Prestolite Electric Inc. The National Stock Number assigned to this part is 2920003240371, 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 CY4002.