This is the Atlas Copco adaptor part number 3106967600, Crowder SKU AC-3106967600. It makes the air or hydraulic connection to the rock drill. Thread and sealing-face condition here is the difference between full pressure at the tool and a slow leak nobody notices.
It shows up in the parts breakdown for the BBD 46 WS/WR Rock Drill.
If you need the parts around it, the parts diagram hub has the full breakdown library, and the Atlas Copco lineup covers the machines themselves. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3106967600
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3106967600
- Listed on breakdowns for: BBD 46 WS/WR Rock Drill

