Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3531AS820-2 found under Control Stick Aircr by United States Department Of The Navy. The National Stock Number assigned to this part is 1680015232819, 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 3531AS820-2.