Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 19-S-470 found under Heating Element Electrical Nonim by Hussmann Refrigerator Co. The National Stock Number assigned to this part is 4520014483402, 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 19-S-470.