This item is acquired in-game. See its sources below.
An Uncommon Mail Chest, item level 5, binds when picked up.
First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
In the Appearances collection, Expeditionary Mail Armor is listed as Quest. Appearance ID: 37268. 3 other items wear the same appearance:
Expeditionary Mail ArmorRead from the World of Warcraft client build files.
2 quests list Expeditionary Mail Armor among their rewards in Blizzard's quest data.
Expeditionary Leather Tunic, 
Expeditionary Leather Tunic, Expeditionary Mail Armor, 
Expeditionary Plate Chestpiece, 
Expeditionary Plate Chestpiece, 
Expeditionary Cloth Robe, 
Expeditionary Cloth RobeExpeditionary Leather Tunic, Expeditionary Leather Tunic, Expeditionary Mail Armor, Expeditionary Plate Chestpiece, Expeditionary Plate Chestpiece, Expeditionary Cloth Robe, Expeditionary Cloth RobeRead from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Expeditionary Mail Armor suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Built from the World of Warcraft client build files and recorded Auction House snapshots.
1 other item in the current build is also called Expeditionary Mail Armor. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Expeditionary Mail Armor ID 175210 · Armor - Mail · item level 5Expeditionary Mail Armor uses icon file 1889975, which 15 other items also use. The 8 closest by item ID:
7th Legionnaire's Chainmail ID 175392 · Armor - Mail · item level 587th Legionnaire's Chainmail ID 177160 · Armor - Mail · item level 587th Legionnaire's Chainmail ID 170525 · Armor - Mail · item level 58Argent Conscript's Mail Shirt ID 183563 · Armor - Mail · item level 1007th Legionnaire's Chainmail ID 163660 · Armor - Mail · item level 587th Legionnaire's Chainmail ID 163398 · Armor - Mail · item level 587th Legionnaire's Hauberk ID 163250 · Armor - Mail · item level 60Dread Aspirant's Chain Armor ID 162903 · Armor - Mail · item level 58Blizzard numbers items as they are created, so the named items next to ID 175178 (175173 to 175183) were usually added in the same batch as Expeditionary Mail Armor: the same quest line, zone, vendor or reward set.
Expeditionary Cudgel ID 175173 · Weapon - One-Handed Mace · item level 5Expeditionary Cudgel ID 175174 · Weapon - One-Handed Mace · item level 5
Expeditionary Plate Helm ID 175175 · Armor - Plate · item level 5Expeditionary Cloth Robe ID 175176 · Armor - Cloth · item level 5Expeditionary Plate Chestpiece ID 175177 · Armor - Plate · item level 5Expeditionary Leather Tunic ID 175179 · Armor - Leather · item level 5
Expeditionary Plate Warboots ID 175180 · Armor - Plate · item level 5
Expeditionary Cloth Boots ID 175181 · Armor - Cloth · item level 5
Expeditionary Mail Sabatons ID 175182 · Armor - Mail · item level 5
Expeditionary Leather Boots ID 175183 · Armor - Leather · item level 5The raw ItemSparse values for item 175178 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
TheWoWDB