This is Atlas Copco part number 3121557700 rotation lock pin, stocked at Crowder Supply as AC-3121557700. Rotation components on a tool take a load impulse on every blow, so they are wear items with a predictable service life.
Give us the model and serial off your machine and we will confirm the fit; the parts diagram hub and the Atlas Copco lineup are the other two places to start. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 3121557700
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3121557700