This is the Atlas Copco O-Ring part number 9232120840, Crowder SKU AC-9232120840. Seals like this one are consumables in a breaker they are cheap, they age with heat and hours, and replacing the whole set during a teardown saves a second strip-down later.
It is called out in the parts diagram for the Red Hawk Gas Breaker/Drill and Cobra Combi Gas Breaker/Drilll- before 2010, and on 1 other machine. Worth matching the reference number on the diagram against your own machine before you order the same part number can sit in more than one position.
If you need the parts around it, the parts breakdown index has the full breakdown library, and the Atlas Copco catalog covers the machines themselves. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 9232120840
- Manufacturer: Atlas Copco
- Crowder SKU: AC-9232120840
- Listed on breakdowns for: Red Hawk Gas Breaker/Drill, Cobra Combi Gas Breaker/Drilll- before 2010, Cobra Combi Gas Drill/Breaker
