Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AN4116R4B found under Starter Engine Elec by Aeronautical Standards Group. The National Stock Number assigned to this part is 2925002936543, 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 AN4116R4B.