Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A940129 ITEM 16 found under Nut Plain Hexagon by Federal Equipment Company. The National Stock Number assigned to this part is 5310013947317, 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 A940129 ITEM 16.