Graviton stabilizer
A graviton stabilizer was a component in the artificial gravity generator. This stabilizer modulated the level of gravity produced, and if it failed, it could pull too hard and make a person feel ten kilograms heavier.

In 2375, the 's graviton stabilizer was damaged, and Captain Sisko gave Chief O'Brien three days to fix it. O'Brien then gave the responsibility of finding a new stabilizer to Ensign Nog.

Fortunately, the  visited Deep Space 9 during that three day window, and they had a surplus graviton stabilizer. Nog procured this in a series of trades. ()

de:Gravitonstabilisator
Spacecraft components