Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 22NA21-12-064 found under Nut Plain Plate by Harvard Industries Inc. The National Stock Number assigned to this part is 5310012527419, 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 22NA21-12-064.