This Thrust Washer from Miller Industries is used in the boom, underlift, and wheel lift assembly of Miller Wreckers. These wreckers include Century, Challenger, Champion, Eagle, and Holmes Wreckers. The washer measures 5" in diameter, 1" wide, and 1/16" thick. Outer Diameter: 5", Inner Diameter: 3", Width: 1", Thickness: 1/16"