Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AA59770-1A6B5D found under Tape Insulation Ele by Federal Commercial Item Description. The National Stock Number assigned to this part is 5970012563341, 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 AA59770-1A6B5D.