Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2003664 found under Relay Solenoid Engine Starter El by Fedders Corporation. The National Stock Number assigned to this part is 2920011460033, 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 2003664.