Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NAS1676-1 found under Washer Lock by National Aerospace Standards. The National Stock Number assigned to this part is 5310009351215, 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 NAS1676-1.