Beer Tap Nut size

Hi
It’s pretty hard to find the nut size for a beer tap. Does anyone know what size the nut is?

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I was told previously it was 3/4" NC10 but that’s too small.
The nut is roughly 22mm which would be around 7/8", but what size thread width?

You can possibly take it with you to a hardware store or automotive store and they will have a gauge that you can use to measure the exact size even down to the thread style (fine/rough cut threads).

If you have a fastenal near you that may be your best bet

I’d shoot the mfr a note, the retailer may know, or get a thread gauge (or gage if you prefer).

Does this look right?