Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 580504 found under Plate Assembly Armature by Outboard Marine Corp Galesburg. The National Stock Number assigned to this part is 2920000771767, 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 580504.