– **Part Number**: 12AZ-54
– **Description**: Friction Disc, Brake Disc for Power Tong
– **Brand**: TEDA (Yancheng TEDA Drilling Equipment)
– **Application**: TEDA XQ140 / XQ140/12YA Tubing Power Tong, also fits XQ114-6B hydraulic power tong, used for brake assembly, torque control during tubing make-up & breakout in oilfield workover service
– **Material**: Wet paper-based friction material, steel core plate
– **Function**: Brake friction element, provide stable braking torque, prevent tong slipping during pipe connection operation
– **Weight reference**: ≈0.32 kg / pc (industry stock measurement)
– **Remark**: Oil-immersed wet friction, high temperature resistance, stable friction coefficient for oilfield hydraulic power tong brake system
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> Note: TEDA original manual does not publish official dimension data; if you need exact OD / ID / thickness, I can add it once measured sample data available.