Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3150U-20-496 found under Switch Thermostatic by Elmwood Sensors Inc. The National Stock Number assigned to this part is 5930014934706, 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 3150U-20-496.