Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M20H5530223-523 found under Cowling by Dassault Aviation. The National Stock Number assigned to this part is 1560011073461, 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 M20H5530223-523.