Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AMS 10138-1403 found under Beam Structural by Society Of Automotive Engineers Inc. The National Stock Number assigned to this part is 9540010863631, 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 AMS 10138-1403.