Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 17720233A 80MM AH IT12 found under Screw Cap Hexagon Head by Halla Hydro Ab. The National Stock Number assigned to this part is 5305014263936, 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 17720233A 80MM AH IT12.