Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1211C20939 found under Center Assembly Air by Nobles Worldwideinc. The National Stock Number assigned to this part is 1680014816409, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1211C20939.