Ordering by number: this is R138140, also listed as 3310104298, the Chicago Pneumatic O-Ring. Seals like this one are consumables in a chipping hammer they are cheap, they age with heat and hours, and replacing the whole set during a teardown saves a second strip-down later.
It shows up in the parts breakdown for the CP 4132 4133 4134 4136 Chipping Hammer and TEX319 320 321 419 421 Chipping Hammer, and on 3 other machines. 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 parts diagram library indexes every breakdown we publish, and the CP tool catalog has the tools these parts go into. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: R138140
- Also listed as: 3310104298
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R138140
- 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
