Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MY20773-72 found under Biellette Equipee by Dassault Aviation. The National Stock Number assigned to this part is 3040144530122, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MY20773-72.