Lock Washer carries American Pneumatic Tool part number 1280583488, listed as 02359 before the renumbering and is stocked here under APT2359. It sits under the fastener to preserve the mating face and hold tension in a joint that vibrates constantly.
The published breakdown lists it on the 137 Rock Drill. That machine is the APT 137 Pneumatic Rock Drill if you are pricing a replacement rather than a repair. Pull up the diagram and confirm the reference number for your serial before ordering.
Everything else on that machine is one page away, and the parts diagram hub indexes every breakdown we publish. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 1280583488
- Previous part number: 02359
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT2359
- Listed on breakdowns for: 137 Rock Drill
