Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 40A109606P12 found under Thermal Cutout by Wellman Thermal Systems Corp. The National Stock Number assigned to this part is 5930014502731, 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 40A109606P12.