Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C26 A221-600E found under Switch Rotary by Kraus And Naimer Inc. The National Stock Number assigned to this part is 5930016020627, 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 C26 A221-600E.