Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11B05-101 found under Switch Thermostatic by Emerson Electric Co. The National Stock Number assigned to this part is 5930008547954, 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 11B05-101.