Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PS520 101115 01 found under Switch Assembly by L 3 Communications Mapps Inc. The National Stock Number assigned to this part is 5930016128232, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PS520 101115 01.