J Daddy: Not sure what end panels belong on your car shell. Quickly, I could not cross the car number to which issue of cars it belonged too. I was able to find these numbers that are available from Lionel Customer Parts in Ohio:
610-5364-006 Pln. end w/std oper. vest. assy. $ 12.50@
610-5365-006 Vest. end w/std. oper vest. assy. $ 20.00@
There are pictures of these, so you can check to see if they are correct if matching other cars, or if you are just finishing this one up to add to the fleet.
Sorry, I was not able to find anything on the glass windows. The only glass that comes up is for steam locos. Perhaps if you asked when you ordered the ends, if they are correct, if they have any glass Passenger car windows in their scrap yard. Hope this helps, Dennis M.