Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 124-5202449 REV E found under Toggle Arm Dog Assembly Hatch by Celanese Plastics Co. The National Stock Number assigned to this part is 2040014810547, and the Federal Supply Class is 2040 Marine Hardware And Hull Items. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 124-5202449 REV E.