Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3-1-11-4-3-0-0 found under Switch Code Indicat by C And K Components Inc. The National Stock Number assigned to this part is 5930012980204, 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 3-1-11-4-3-0-0.