Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 85189500090 found under Rotor Assembly by Kollsman Inc. The National Stock Number assigned to this part is 2925008760762, 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 85189500090.