On Nov 5, 3:28 pm, Terry wrote:
I have a TV set that has broken a small hole around where the CATV
exits the housing. It still works. What I need to do is just get a
3/8 or 1/2 inch washer and put over the CATV plug and tighten a nut
down on the washer.

What size thread would this be?

Get some 2 part epoxy and glue the connector back in. I'd mix some
filler in to thicken up the epoxy, but I already have the supplies

or

Get one of these and modify the case to fit.

http://www.stayonline.com/detail.aspx?ID=1368