Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8373 100 found under Duct Assembly Wheel Well by Hamilton Sundstrand Corporation. The National Stock Number assigned to this part is 1560005088547, 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 8373 100.