Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FIG. 6-9 ITEM 5S found under Nut Special by Hermes Machine Tool Co. The National Stock Number assigned to this part is 5310012968538, 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 FIG. 6-9 ITEM 5S.