Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KS-011D31 found under Switch Assembly by Tyco Valves And Controls Lp. The National Stock Number assigned to this part is 5930015234316, 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 KS-011D31.