Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PENNTUBE V FLEXIBLE 3 4IN BLACK found under Insulation Sleeving Electrical by Saint Gobain Performance Plastics. The National Stock Number assigned to this part is 5970009143118, 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 PENNTUBE V FLEXIBLE 3 4IN BLACK.