Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MY20264-2004 found under Screw Shoulder by Dassault Aviation. The National Stock Number assigned to this part is 5305143701563, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MY20264-2004.