Ordering by number: this is P144662, also listed as 3310103721, 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 4121 Chipping Hammer and CP 0017 SVR Chipping Hammer. 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 parts diagram library. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: P144662
- Also listed as: 3310103721
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-P144662
- Listed on breakdowns for: CP 4121 Chipping Hammer, CP 0017 SVR Chipping Hammer
