Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TYP 111 GR 4000R405STYA found under Nut Plain Hexagon by Curtiss Wright Corp. The National Stock Number assigned to this part is 5310012450723, 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 TYP 111 GR 4000R405STYA.