O-RING, Atlas Copco part number 9232121340, listed at Crowder Supply as AC-9232121340. It keeps air or oil where it belongs inside the tool. Once it flattens or hardens, the machine loses pressure across the joint and performance falls off gradually rather than all at once.
Give us the model and serial off your machine and we will confirm the fit; the parts breakdown index and the Atlas Copco tool range are the other two places to start. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 9232121340
- Manufacturer: Atlas Copco
- Crowder SKU: AC-9232121340