In Wrath of the Lich King it is item level 232, requires level 80 and sells to vendors for 7g 29s 40c. In MoP Classic it is item level 213, requires level 80 and sells to vendors for 7g 29s 40c.
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Fleshless Girdle Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Fleshless Girdle suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Blizzard numbers items as they are created, so the named items next to ID 40263 (40258 to 40268) were usually added in the same batch as Fleshless Girdle: the same quest line, zone, vendor or reward set.