Nut, Atlas Copco part number 3122015900, listed at Crowder Supply as AC-3122015900. It secures its joint against constant vibration, which is why it is treated as a replaceable item rather than a permanent one.
The published breakdown lists it on the BMT 51 Pusher Leg. That machine is the Atlas Copco Pusher Leg Attachment For BBC Series Rock Drills if you are pricing a replacement rather than a repair. Compare it to the reference callout on the diagram to be sure it is the position you need.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts diagram hub. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3122015900
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3122015900
- Listed on breakdowns for: BMT 51 Pusher Leg
