Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CS5000044-2 found under Nut Plain Hexagon by Rugged Information Technology Eq. The National Stock Number assigned to this part is 5310013711644, 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 CS5000044-2.