Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SK176-1-2(45-50 found under Switch Thermostatic by Chatham Controls Corp. The National Stock Number assigned to this part is 5930011800383, 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 SK176-1-2(45-50.