Originally Posted by barrooze
Why not? Add a SS nut and an o-ring (maybe a washer too) and it's just like a weldless bulkhead assembly for a ball valve.
I doubt you would have enough threads to go through the lid, an o-ring, and have room left to thread on a nut. If you want to try it M14 2.0 is the thread pitch. I just checked one. Even if it did fit the valve doesn't seal on itself. It seals on the bottom of the bung its threaded into.