Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2121 2034-370 found under Screw Cap Hexagon H by Cargotec Sweden Ab Macgregor Cranes. The National Stock Number assigned to this part is 5305014859851, 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 2121 2034-370.