Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8DIN7980-1-4310 found under Washer Lock by Din Deutsches Institut Fuer Norm. The National Stock Number assigned to this part is 5310121729706, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 8DIN7980-1-4310.