Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3-1-34-1-0-4-0 found under Switch Subassembly by C And K Components Inc. The National Stock Number assigned to this part is 5930013953790, 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 3-1-34-1-0-4-0.