Ordering by number: this is R157953, also listed as 3310104085, the Chicago Pneumatic nylock 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.
You will find it on the diagram for the CP 4132 4133 4134 4136 Chipping Hammer and TEX319 320 321 419 421 Chipping Hammer, and on 3 other machines. Compare it to the reference callout on the diagram to be sure it is the position you need.
If you need the parts around it, the parts diagram library has the full breakdown library, and the Chicago Pneumatic lineup covers the machines themselves. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: R157953
- Also listed as: 3310104085
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R157953
- Listed on breakdowns for: CP 4132 4133 4134 4136 Chipping Hammer, TEX319 320 321 419 421 Chipping Hammer, CP 0016 Chipping Hammer, CP 4130 Chipping Hammer, CP 4131 Chipping Hammer
