This is Atlas Copco part number 3121085200 retainer pin, stocked at Crowder Supply as AC-3121085200. It holds the working steel in the pusher leg. Retention hardware is a wear and safety item a stretched or cracked retainer lets the steel move, which chews the front head.
It shows up in the parts breakdown for the BBC 34W WS Pusher Leg Drill and RH 658L/LS/LS-01 Rock Drill, and on 7 other machines. Compare it to the reference callout on the diagram to be sure it is the position you need.
If you need the parts around it, the parts breakdown index has the full breakdown library, and the Atlas Copco lineup covers the machines themselves. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 3121085200
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3121085200
- Listed on breakdowns for: BBC 34W WS Pusher Leg Drill, RH 658L/LS/LS-01 Rock Drill, RH 572E Rock Drill, RH 571-5L 571-5LS Rock Drill, BBD 46 WS/WR Rock Drill, BBD 94W 94WS 94WE Rock Drill, +3 more
