This is the Atlas Copco O-Ring part number 9245998739, Crowder SKU AC-9245998739. Seals like this one are consumables in a tool they are cheap, they age with heat and hours, and replacing the whole set during a teardown saves a second strip-down later.
Give us the model and serial off your machine and we will confirm the fit; the full diagram library and the Atlas Copco catalog are the other two places to start. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 9245998739
- Manufacturer: Atlas Copco
- Crowder SKU: AC-9245998739