225 popping out the exhaust, but...

FWIW..... The capacitance spec for '62 /6 condensers is .25-.285 uF. (From an old Sun shop tune-up sheet.) I bet that did not change for years and years. I don't know the voltage but 600V may be adequate; I've measured a few hundred volts peak at the condenser with an o'scope.

I suspect the metal case is important for heat sinking.