Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HC-0500-4100 found under by Dungan Electric Co. The National Stock Number assigned to this part is 5950016427976, and the Federal Supply Class is 5950 Coils And Transformers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HC-0500-4100.