Hi Rusty,
The hub number you listed above is one that a lot of RVs use, so the hub will work. (Check ADs) Do you know the model number of the blades? They may be a different model than is recommended for RVs.
I have a Hartsell prop off a money for sale with a govenor that I was going to put on my RV 6A but now am going fixed pitch. If you're interested......please call. 810 499-4616 Greg