I just purchased this nice Coleman Propane stove, model 5424B701. I have attached some pictures for you. I tried looking up information for this on google, but I can't seem to find anything about it. Any idea on when this would of been made? Any idea on where I would find the part that the regulator attaches too? This one looks like the first part of the threads are kind of stripped out and it is quite hard to get it screwed on.