Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TM-512C3-225N0 found under Switch Thermostatic by Index Industries Inc. The National Stock Number assigned to this part is 5930013786882, 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 TM-512C3-225N0.