Dowel Pin carries American Pneumatic Tool part number 1280582253 the number that superseded 01639 and is stocked here under APT1639. It pins its assembly together. Vibration is what kills them, so they are cheap insurance during any teardown of the rock drill.
It is called out in the parts diagram for the 138 Rock Drill and 155 Rock Drill. 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.
Use the full diagram library to work through the rest of the assembly, or the American Pneumatic catalog if you are pricing a replacement machine. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 1280582253
- Previous part number: 01639
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT1639
- Listed on breakdowns for: 138 Rock Drill, 155 Rock Drill

