This is the Atlas Copco air cleaner cover nut part number 3377800823, Crowder SKU AC-3377800823. It secures its joint against constant vibration, which is why it is treated as a replaceable item rather than a permanent one.
It shows up in the parts breakdown for the PAC P13 Hydraulic Power Pac and LP 9-20P 9-20E Hydraulic Power Pac, and on 1 other machine.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts breakdown index. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3377800823
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3377800823
- Listed on breakdowns for: PAC P13 Hydraulic Power Pac, LP 9-20P 9-20E Hydraulic Power Pac, PAC P9 Hydraulic Power Pac
