Transmission stud

I should be clearer. I sometimes assume folks know what I am talking about.

Here is the diagram. On the bottom of the 727 transmission, there is a hole and a stud where you bolt on the transmission bushing. it is a fine thread and I cannot seem to match the stud size.

Rather than messing around anymore, if I could get the stud out, I may be farther ahead.

Is there anything published my Chrysler that talks about bolt and nut sizes ?

We appreciate your help.

Calum and Ian