Air Venturi To the Avenger folks…

Hey, all. I’ve got a brother in law and a best buddy, both with slow leak avenger platforms. My bro in law is 10 hours from me, and my buddy is local and may bring his gun to me to look at. I’m wanting to be prepared if the leak is coming from faulty gages possibly. Can someone that’s replaced his/her avenger gages tell me if the threads are in BSP or NPT?

Thanks much
 
Not NPT because the exploded drawing shows an O-ring sealing each one. And probably not BSP because it's made in China. Most likely M10 or M8. Hopefully someone can answer definitively.

[edit] M8 x 1.0 per this thread:
 
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