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Hydraulic Stop Spare Parts for Montabert HC158
The hydraulic stop (hydraulic thrust stop assembly) used in Montabert HC158 hydraulic drifters is designed to absorb axial loads, control impact return forces, and protect internal components during drilling operations. This assembly plays a critical role in limiting mechanical stress, improving service life, and ensuring stable and controlled percussion performance.
Components included in the hydraulic stop
| Item | Part No. | Name | Qty | Remarks |
| 10 | 86475001 | Thrust housing (including internal components) | 1 | Main housing |
| 20 | 86264678 | Helicoil thread UNF 3/4" | 4 | Thread insert |
| 30 | 86230059 | Oiler | 1 | Lubrication point |
| 40 | 86223419 | Pin | 1 | - |
| 50 | 95848107 | Socket head screw UNF 3/4" | 2 | - |
| 60 | 86322518 | Valve | 2 | - |
| 70 | 86570447 | Tight seal | 3 | Sealing component |
| 80 | 86616935 | Face seal | 1 | - |
| 90 | 86502234 | O-ring | 4 | Seal item |
| 100 | 86578895 | O-ring | 1 | Seal item |
| 110 | 86611647 | Front lining | 1 | Front thrust liner |
| 120 | 86611621 | Rear lining | 1 | Rear thrust liner |
| 130 | 86611654 | Composite seal | 2 | - |
| 140 | 86220258 | Snap ring | 1 | - |
| 150 | 86611639 | Hydraulic stop piston | 1 | Main thrust piston |
| 160 | 86611662 | Seal | 1 | - |
| 170 | 86345022 | Guide | 1 | - |
| 180 | 86221652 | Centering part | 1 | - |
| 190 | 86221645 | Centering part | 1 | - |
| 200 | 86223492 | Shank stop | 1 | - |
| 210 | 86220241 | Ring (bronze) | 1 | - |
| 220 | 86221603 | Needle bearing | 1 | - |
| 230 | 86313087 | Shaft | 1 | Transmission shaft |
| 240 | 86484755 | Ball bearing | 1 | - |
| 250 | 86223435 | Tight ring | 3 | Sealing ring |
| 260 | 86313095 | Tight ring | 2 | Sealing ring |
| 270 | 86313103 | Tight ring | 1 | Sealing ring |
| 280 | 86232808 | O-ring | 9 | Seal item |
| 290 | 86292786 | O-ring | 3 | Seal item |
| 300 | 86613254 | Seal | 2 | - |
| 310 | 86223021 | Needle bearing | 1 | - |
| 320 | 86501061 | Restrictor | 1 | - |
Browse the complete spare parts catalog for the Montabert HC158 to find original hydraulic stop components and service parts required for reliable operation and long-term durability.