Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 25H1 found under Switch Thermostatic by Blickman Casework And Design Corp. The National Stock Number assigned to this part is 5930001215144, 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 25H1.