Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DIN7980-M3BN774 found under Washer Lock by Century Fasteners Corp. The National Stock Number assigned to this part is 5310013414080, 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 DIN7980-M3BN774.