Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M20H5530172 43 found under Bracket Mounting by Dassault Aviation. The National Stock Number assigned to this part is 5340144893943, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like M20H5530172 43.