Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MB2011SS1A01 found under Switch Push by Nkk Switches Of America Inc. The National Stock Number assigned to this part is 5930014071982, 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 MB2011SS1A01.