Ordering by number: this is 1280583767 the number that superseded 02387, the American Pneumatic Tool chuck nut. It holds the working steel in the rock drill. Retention hardware is a wear and safety item a stretched or cracked retainer lets the steel move, which chews the front head.
You will find it on the diagram for the 137 Rock Drill. The tool itself is the APT 137 Pneumatic Rock Drill. Pull up the diagram and confirm the reference number for your serial before ordering.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts diagram library. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 1280583767
- Previous part number: 02387
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT2387
- Listed on breakdowns for: 137 Rock Drill
