Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 70-0709-1131-1 found under Boot Rain Erosion by 3M Company. The National Stock Number assigned to this part is 1430015233301, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 70-0709-1131-1.