Spent fuel disassembly hardware

What is Spent fuel disassembly hardware?

Spent fuel disassembly hardware meaning The skeleton of a fuel assembly after the fuel rods have been removed. Generally, SFD hardware for PWR assemblies includes guide tubes; instrument tubes, top and bottom nozzles; grid spacers; hold-down springs; and attachment components, such as nuts and locking caps. For BWR fuel assemblies, SFD hardware includes the top and bottom tie plates, compression springs for individual fuel rods, grid spacers, and water rods.


reference: Glossary – U.S. Energy Information Administration (EIA)