This is the Atlas Copco washer part number 3122016800, Crowder SKU AC-3122016800. It spreads clamp load and protects the face under the fastener routine hardware, but the wrong one changes how the joint holds torque.
It shows up in the parts breakdown for the BMT 51 Pusher Leg. The tool itself is the Atlas Copco Pusher Leg Attachment For BBC Series Rock Drills. Compare it to the reference callout on the diagram to be sure it is the position you need.
Need the parts around it? They are on the same breakdown, and the parts breakdown index covers every machine we publish. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 3122016800
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3122016800
- Listed on breakdowns for: BMT 51 Pusher Leg
