Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8831 found under Box Assembly Contro by Evans Tempcon Inc. The National Stock Number assigned to this part is 2930009714767, and the Federal Supply Class is 2930 Engine Cooling System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 8831.