Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1089 9371 20 found under Potmeter by Atlas Copco. The National Stock Number assigned to this part is 5950015811221, and the Federal Supply Class is 5950 Coils And Transformers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1089 9371 20.