Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 018-0005-3 found under Heating Element Ele by Ellis And Watts International Llc. The National Stock Number assigned to this part is 4520008440790, and the Federal Supply Class is 4520 Space And Water Heating Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 018-0005-3.