Ordering by number: this is 4700239771, the Atlas Copco nut. It carries the clamp load on its stud or bolt. On an impact tool, thread and face condition matter a nut that has been run down over damaged threads will not hold torque.
It is called out in the parts diagram for the PAC P9 Hydraulic Power Pac and PAC P13 Hydraulic Power Pac, 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.
Use the parts breakdown index to work through the rest of the assembly, or the Atlas Copco catalog if you are pricing a replacement machine. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 4700239771
- Manufacturer: Atlas Copco
- Crowder SKU: AC-4700239771
- Listed on breakdowns for: PAC P9 Hydraulic Power Pac, PAC P13 Hydraulic Power Pac, LP 9-20P 9-20E Hydraulic Power Pac
