Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MS21064L3-16 found under Nut Assembly Self L by National Aerospace Standards. The National Stock Number assigned to this part is 5310009390916, 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 MS21064L3-16.