Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7100012621 found under Tapeinsulationelectrical by 3M Company. The National Stock Number assigned to this part is 5970016681389, 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 7100012621.