Tested 26.3
Copper Nautilus Armor: 4 armor points, the lowest of the set. Nautilus armor protects a tamed Nautilus, the mount you ride underwater. All nautilus armor works the same; the Iron Nautilus Armor page explains it.
It cannot be crafted; it can be found in chests.
How to craft
This item has no crafting recipe.
How Copper Nautilus Armor connects
9 links · from the 26.3 game dataUsed with
Worn byNautilus 
Worn byZombie Nautilus Where to get it
Loot in structureschance per item drawn
Same family
Tutorials with Copper Nautilus Armor (1)
Used to craft (1)
Copper Nautilus Armor · FAQ
How do you get Copper Nautilus Armor in Minecraft?
It can be found as loot in Buried Treasure, Shipwreck and Ocean Ruins.
What is Copper Nautilus Armor used for in Minecraft?
It protects a ridden nautilus in underwater fights. It is an ingredient in one recipe: Copper Nugget. Worn by: Nautilus and Zombie Nautilus.
Does Copper Nautilus Armor stack?
No: only one per inventory slot.