Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2128 03 410 found under Screw Cap Hexagon Head by Oto Melara Spa. The National Stock Number assigned to this part is 5305150559712, 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 2128 03 410.