Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1Q349121 ITEM 12 found under Switch Thermostatic by Isotta Fraschini Motori Spa. The National Stock Number assigned to this part is 5930151802427, 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 1Q349121 ITEM 12.