Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DAA3121F543-477 found under Shim by Triumph Aerostructures Llc. The National Stock Number assigned to this part is 5365013246108, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DAA3121F543-477.