Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 43-3415-1 found under Heating Element Guidance Assembl by Elmwood Sensors Inc. The National Stock Number assigned to this part is 1420004257265, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 43-3415-1.