Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CW-402CH found under Nut Plain Hexagon by Dc Fabricators Inc. The National Stock Number assigned to this part is 5310014909938, 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 CW-402CH.