I have heard lots of people say "one naught one" but I have never heard "one one naught". Is it valid or not? I have no idea; please shed some light on this.
closed as primarily opinion-based by Dan Bron, David, Edwin Ashworth, Davo, kiamlaluno Aug 17 '17 at 17:52
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It's okay to use naught for "nothing" or the digit zero. There is nothing technically wrong with doing it. However, I would caution in how much you use it. It's not common in the U.S. whatsoever. Especially for a numeric digit, they would just say, "zero", instead.
Edit: It's also very common to use the pronunciation of, "oh", for zero (ie, "one-oh-one"). Either zero or "oh" would be common in the US. Using "naught" is very uncommon.