Ordering by number: this is 0291112869, the Atlas Copco lock nut. This is clamping hardware for the tool, and it is normally renewed alongside the bolt or stud it runs on.
The full diagram library is where to start if you are working back from a machine or send the model and serial and we will confirm it. Complete tools sit on the Atlas Copco catalog. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 0291112869
- Manufacturer: Atlas Copco
- Crowder SKU: AC-0291112869