This is the American Pneumatic Tool pawl plunger (single) part number 1280583595, which replaced the older number 00891, Crowder SKU APT891. It drives or indexes rotation. When it wears, the tool still hammers but stops turning the steel evenly.
It is called out in the parts diagram for the 138 Rock Drill and 155 Rock Drill. 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 breakdown index has the full breakdown library, and the APT lineup covers the machines themselves. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 1280583595
- Previous part number: 00891
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT891
- Listed on breakdowns for: 138 Rock Drill, 155 Rock Drill
