| Cans (Backpack Attachment) A set of cans that are a backpack attachment from the quest Safe Passage. | Cosmetic | |
| Cat Bed At least a tiny bit more comfortable than your face. | Trinket | |
| Chemicals Used to craft medical supplies, explosives, and utility items. | Basic Material | |
| Coffee Pot A well-used coffee pot. | Trinket | |
| Combat Mk. 1 Basic combat augment. Supports stronger shields, but with limited backpack capacity and Quick Use slots. | Augment | |
| Compensator I 25% Reduced Shot Dispersion | Modification | |
| Compensator II 35% Reduced Shot Dispersion | Modification | |
| Compensator III 50% Reduced Shot Dispersion, 20% Increased Durability Burn Rate | Modification | |
| Compensator III Recipe Lets you craft a Compensator III | Recipe | |
| Compensator II Recipe Lets you craft a Compensator II | Recipe | |
| Complex Gun Parts Used to craft advanced weapons. | Topside Material | |
| Coolant Can be recycled into crafting materials. | Recyclable | |
| Cooling Coil Can be recycled into crafting materials. | Recyclable | |
| Cooling Fan Can be recycled into crafting materials. | Recyclable | |
| Cracked Bioscanner Can be recycled into crafting materials. | Recyclable | |
| Crude Explosives Used to craft explosives. Can be recycled into crafting materials. | Refined Material | |
| Crumpled Plastic Bottle Can be recycled into plastic parts. | Recyclable | |
| Damaged ARC Motion Core Can be recycled into ARC Alloy. | Recyclable | |
| Damaged ARC Powercell Can be recycled into ARC Alloy. | Recyclable | |
| Damaged Fireball Burner | Recyclable | |
| Damaged Heat Sink Can be recycled into crafting materials. | Recyclable | |
| Damaged Rocketeer Part Can be recycled into ARC Alloy. | Recyclable | |
| Damaged Wasp Driver Can be recycled into ARC Alloy. | Recyclable | |
| Dam Control Center Tower Key Unlocks a door to the Control Center Tower in The Dam | Key | |
| Dam Staff Room Key Unlocks a door in the Research and Administration building in The Dam. | Key | |
| Dam Surveillance Key Unlocks a door in the Water Treatment Control building in The Dam. | Key | |
| Dam Testing Annex Key Opens 2 locked doors inside the Testing Annex on Dam Battlegrounds. Both doors are on the ground level with one being in the South side of the building and the other on the East side. | Key | |
| Dam Utility Key Location is currently unknown except that it is on Dam Battlegrounds. | Quest Item | |
| Dart Board Some Raiders use it to practice dexterity. Others just like throwing things at other things. | Trinket | |
| Defibrillator An injection that quickly revives downed raiders and restores some health. | Quick Use | |
| Defibrillator Recipe Lets you craft a Defibrillator | Recipe | |
| Deflated Football A football that has seen better days. | Recyclable | |
| Degraded ARC Rubber Obtained from ARC enemies or activities. Can be recycled into rubber. | Recyclable | |
| Diving Googles Can be recycled into crafting materials. | Recyclable | |
| Dog Collar After all this time, you can still smell the goodness. | Recyclable | |
| Door Blocker A locking mechanism that can be placed on large metal doors to limit access. | Utility | |
| Door Blocker Recipe Lets you craft Door Blocker | Recipe | |
| Dried-Out ARC Resin Obtained from ARC enemies or Activities. Can be recycled into plastic. | Recyclable | |
| Duct Tape Used to craft weapons and weapon mods. Can be recycled into plastic. | Topside Material | |
| Durable Cloth Used to craft medical Supplies such as Herbal Bandage and Sterilized Bandage. | Refined Material | |