Note: If you are looking for Warrior/Knight/Inquisitor/Sage, check this page
As part of Patch 1.5, Campaign armorings are available for sale from the Campaign/Black Hole Vendors on the fleet for Black Hole Commendations. These armorings all come with set bonuses. There are no armorings for bracers/belt/ or weapons (not that they have armorings anyways)