Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CA11B A210 D-A003 EF found under Switch Rotary by Kraus And Naimer Inc. The National Stock Number assigned to this part is 5930123609732, 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 CA11B A210 D-A003 EF.