Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7872000551 found under Switch Lock Ignition by Keystone Automotive Operations Inc. The National Stock Number assigned to this part is 2925013579021, and the Federal Supply Class is 2925 Engine Electrical System Components Aircraft Prime Moving. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 7872000551.