Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M221F147050541 found under Switch Thermostatic by Texas Instruments Incorporated. The National Stock Number assigned to this part is 5930010123904, 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 M221F147050541.