This is Atlas Copco part number 0663913600 O-Ring, stocked at Crowder Supply as AC-0663913600. Its job is to hold the pressure boundary between two mating faces; a hardened or nicked seal shows up as lost power and a damp housing well before anything else fails.
The published breakdown lists it on the TEX 20PS 20PS-1 Paving Brfeaker and TEX 10 PSKL Pick Hammer. Check it against the reference number on the diagram first; serial breaks change what fits.
Everything else on that machine is one page away on the parts breakdown index; complete tools are on the Atlas Copco tool range. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 0663913600
- Manufacturer: Atlas Copco
- Crowder SKU: AC-0663913600
- Listed on breakdowns for: TEX 20PS 20PS-1 Paving Brfeaker, TEX 10 PSKL Pick Hammer
