Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1602 found under Insulating Varnish Electrical by 3M Company Communication Markets. The National Stock Number assigned to this part is 5970004766717, 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 1602.