Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 124-4322650 PC72 found under Nut Plain Hexagon by Celanese Plastics Co. The National Stock Number assigned to this part is 5310013860428, 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 124-4322650 PC72.