Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HS 1159-4-6061T6511 found under Angle Structural by Raytheon Company. The National Stock Number assigned to this part is 9540011654398, 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 HS 1159-4-6061T6511.