Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4210-9000-43-MOD1 found under Controller Motor by California Marine Supply Inc. The National Stock Number assigned to this part is 6110000783393, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4210-9000-43-MOD1.