Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1089 9169 54 found under Protector Thermal Overload Elect by Atlas Copco. The National Stock Number assigned to this part is 6110014428606, 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 1089 9169 54.