Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A11 USC556 02 KN1 found under Switch Rotary by Kraus And Naimer Inc. The National Stock Number assigned to this part is 5930015697732, 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 A11 USC556 02 KN1.