The hub cover and flange can then be put to rest, stored, sold, bartered, or given away since they will not be reused. There is a thin shim that is there that is reused though so don't lose that.
Do not throw them away!!!! Keep at least one with the bolts in your truck when wheeling. I busted a hub on the trail, drive flange with make sure you still have 4 wheel drive! And as you can see, it only takes 15 minutes or so to install.
I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them.
Thomas Jefferson