Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2311 found under Structural Section by Dow Corning Corporation. The National Stock Number assigned to this part is 9540006840933, and the Federal Supply Class is 9540 Structural Shapes Nonferrous Base Metal. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2311.