This is the Atlas Copco washer part number 3121062700, Crowder SKU AC-3121062700. It sits under the fastener to preserve the mating face and hold tension in a joint that vibrates constantly.
It shows up in the parts breakdown for the BBC 34DSI Rock Drill and BBC 34W WS Pusher Leg Drill. Pull up the diagram and confirm the reference number for your serial before ordering.
The parts breakdown index indexes every breakdown we publish, and the Atlas Copco catalog has the tools these parts go into. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3121062700
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3121062700
- Listed on breakdowns for: BBC 34DSI Rock Drill, BBC 34W WS Pusher Leg Drill
