This is the American Pneumatic Tool retaining ring part number 1280583409 the number that superseded 18158, Crowder SKU APT18158. This is location hardware it keeps parts indexed to each other under impact loading, and it is normally replaced any time the joint is opened.
Crowder’s breakdowns list this part on the 109 Mini Rock Drill. The complete machine is the APT 109 Pneumatic Rock Drill.
Work through the rest of the assembly on the same breakdown, or start over from the parts diagram hub. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 1280583409
- Previous part number: 18158
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT18158
- Listed on breakdowns for: 109 Mini Rock Drill
