Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D3Q1HY040020A found under Screw Cap Socket He by Afnor Association Francaise De. The National Stock Number assigned to this part is 5305144348820, 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 D3Q1HY040020A.