Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E50 0002 004 found under Insulation Sleeving by Harris Corp. The National Stock Number assigned to this part is 5970014664570, and the Federal Supply Class is 5970 Electrical Insulators And Insulating Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like E50 0002 004.