This is Chicago Pneumatic part number Q4105400 lock nut, stocked at Crowder Supply as CP-Q4105400. 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 shows up in the parts breakdown for the CP 0044 Concrete Saw. 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.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the full diagram library. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: Q4105400
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-Q4105400
- Listed on breakdowns for: CP 0044 Concrete Saw

