Here are some RV propane fittings.

http://www.easternmarine.com/RV-Propane-Stoves-Hoses-Accessories/

If the stove was not made to transport in and out, I would go to a RV repair place and talk to the tech. You don't want to turn your camper into a mobile gas chamber. An inexpensive alternative is to buy a Coleman propane stove from ebay and an adapter hose for your big tank.