Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 20410-400 found under Duct Assembly Leading Edge by Hamilton Sundstrand Corporation. The National Stock Number assigned to this part is 1560007858434, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 20410-400.