> An O-ring would just confer water resistance, not water proofness. The comment you replied to explicitly said: > > an o-ring, you know like the one that kee

> An O-ring would just confer water resistance, not water proofness. The comment you replied to explicitly said: > > an o-ring, you know like the one that keeps the water in the pipes. > You couldn’t really submerge it and expect it to continue working. There is a huge difference between hermetic sealing an an O ring or a gasket. No, there isn't. O-rings and gaskets are exactly what one uses to make stuff waterproof.