This is the Atlas Copco washer part number 3310118906, Crowder SKU AC-3310118906. It sits under the fastener to preserve the mating face and hold tension in a joint that vibrates constantly.
It appears on the TEX 05P Chipping Hammer breakdown.
If you need the parts around it, the parts diagram hub has the full breakdown library, and the Atlas Copco catalog covers the machines themselves. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 3310118906
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3310118906
- Listed on breakdowns for: TEX 05P Chipping Hammer

