Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DW19-1-110 120VAC found under Heating Element Electrical Nonim by Excel Industries Inc. The National Stock Number assigned to this part is 4520011199341, 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 DW19-1-110 120VAC.