This is American Pneumatic Tool part number 1280583764, previously 02383 rifle bar nut, stocked at Crowder Supply as APT2383. It drives or indexes rotation. When it wears, the tool still hammers but stops turning the steel evenly.
It shows up in the parts breakdown for 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 breakdown index indexes every breakdown we publish. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 1280583764
- Previous part number: 02383
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT2383
- Listed on breakdowns for: 137 Rock Drill
