Fusion
Are you referring to a thread?
Is the title of your thread (pun intended) "Support" descriptive of the problem statement?
If yes, are you referring to Unified National standard? (I am confused by NH, so obviously I don't understand the question.)
If yes, are you referring to coarse or to fine thread (UNC or UNF) or special (what is the pitch)?
Can you File>Export your *.f3d file to your local drive and then Attach it here to a Reply?
A quick google search in the term 1" NH returns "NH/NST Hose Nozzle". If that is what you are after - those terms in your problem description would certainly help. I'll bet a bit more searching would turn up the specifications for the thread (if this is in fact what you are after).
You should give as much information as you know.
If this is for a garden hose nozzle, you should state that (perhaps even make it the title of the problem).
And I suspect that this question should have been posted over here
https://forums.autodesk.com/t5/fusion-360-design-validate/bd-p/124
When you read the descriptions of the forum areas - this area is for reporting bugs and unexpected behaviors.
