Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AMS10140-4007 found under Beam Structural by Sae International. The National Stock Number assigned to this part is 9540005388274, 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 AMS10140-4007.