| Heavy Ammo | Heavy bullets used mainly with large-caliber weapons. | Common | 12 | 0.05 kg | Ammunition |
| Heavy Fuse Grenade Blueprint | Lets you craft a Heavy Fuse Grenade | Legendary | 0 | - | Blueprint |
| Heavy Fuze Grenade | A grenade that detonates after a delay, dealing explosive damage in its radius. | Rare | 1600 | 0.2 kg | Quick Use |
| Heavy Gun Parts | Used directly in crafting items of all tiers. | Rare | 700 | 0.5 kg | Topside Material |
| Heavy Gun Parts Blueprint | Used directly in crafting items of all tiers. | Legendary | 5000 | - | Blueprint |
| Heavy Shield | A heavy shield that blocks a large portion of incoming damage, but carries a significant cost to mobility. | Epic | 5500 | 9 kg | Shield |
| Helmet (Radio Renegade Variant) | Radio Renegade Helmet Variant - Unlocks by completing Flickering Threat Quest | Common | 0 | - | Misc |
| Herbal Bandage | An improvised medical item that gradually restores health over time. | Uncommon | 640 | 0.15 kg | Quick Use |
| Hornet Driver | A control module used to operate Hornet drones or vehicles. | Rare | 2000 | 0.75 kg | Recyclable |
| Household Cleaner | Can be recycled into chemicals. | Uncommon | 640 | 0.8 kg | Recyclable |
| Hullcracker Blueprint | Lets you craft an Hullcracker | Legendary | 0 | - | Blueprint |
| Hullcracker I | Fires explosive projectiles that only detonate when hitting ARC. | Epic | 10000 | 7 kg | Weapon |
| Hullcracker II | Fires explosive projectiles that only detonate when hitting ARC | Epic | 0 | 7 kg | Weapon |
| Hullcracker III | Fires explosive projectiles that only detonate when hitting ARC | Epic | 0 | 7 kg | Weapon |
| Hullcracker IV | Fires explosive projectiles that only detonate when hitting ARC | Epic | 0 | 7 kg | Weapon |
| Humidifier | Can be recycled into crafting materials. | Rare | 1000 | 2 kg | Recyclable |
| Ice Cream Scooper | It is theorized that scooping things was a favorite pastime in the world before. | Uncommon | 640 | 0.8 kg | Recyclable |
| Il Toro Blueprint | Lets you craft an Il Toro | Legendary | 0 | - | Blueprint |
| Il Toro I | Pump-action shotgun with large bullet spread, sharp falloff, and high damage output. | Uncommon | 5000 | 8 kg | Weapon |
| Il Toro II | Pump-action shotgun with large bullet spread, sharp falloff, and high damage output. | Uncommon | 7000 | 8 kg | Weapon |
| Il Toro III | Pump-action shotgun with large bullet spread, sharp falloff, and high damage output. | Uncommon | 10000 | 8 kg | Weapon |
| Il Toro IV | Pump-action shotgun with large bullet spread, sharp falloff, and high damage output. | Uncommon | 13000 | 8 kg | Weapon |
| Impure ARC Coolant | Obtained from ARC enemies or activities. Can be recycled into chemicals. | Uncommon | 0 | 1 kg | Recyclable |
| Industrial Battery | Can be recycled into crafting materials. | Rare | 1000 | 2 kg | Recyclable |
| Industrial Charger | Can be recycled into crafting materials. | Rare | 1000 | 2 kg | Recyclable |
| Industrial Magnet | Can be recycled into crafting materials. | Rare | 1000 | 2 kg | Recyclable |
| Jolt Mine | A proximity triggered mine that pops up and stuns anything within its radius. | Rare | 850 | 0.2 kg | Quick Use |
| Jolt Mine Blueprint | Lets you craft a Jolt Mine | Legendary | 0 | - | Blueprint |
| Jump Mine | A proximity triggered mine that pops up and explodes, dealing damage to anything within its radius. | Uncommon | 2000 | 0.4 kg | Explosives |
| Jump Mine Blueprint | Lets you craft a Jump Mine | Legendary | 0 | - | Blueprint |
| Junior (Outfit) | This is the Junior cosmetic outfit | Common | 0 | - | Cosmetic |
| Jupiter Blueprint | Fires projectiles at an incredible velocity, capable of damaging multiple targets with one shot. | Legendary | 5000 | - | Blueprint |
| Jupiter I | A bolt-action sniper rifle with exceptional damage output and accuracy, but slow handling. | Legendary | 34000 | 9 kg | Weapon |
| Kettle I | Semi-automatic assault rifle. Quick and accurate, but has low bullet velocity and takes a long time reload. | Common | 840 | 7 kg | Weapon |
| Kettle II | Semi-automatic assault rifle. Quick and accurate, but has low bullet velocity and takes a long time reload. | Common | 2000 | 7 kg | Weapon |
| Kettle III | Semi-automatic assault rifle. Quick and accurate, but has low bullet velocity and takes a long time reload. | Common | 3000 | 7 kg | Weapon |
| Kettle IV | Semi-automatic assault rifle. Quick and accurate, but has low bullet velocity and takes a long time reload. | Common | 5000 | 7 kg | Weapon |
| Kinetic Converter | Moderately increases fire rate. | Epic | 0 | - | Modification |
| Kinetic Converter Blueprint | Lets you craft a Kinetic Converter | Legendary | 0 | - | Blueprint |