Side Rod Nut, American Pneumatic Tool part number 18141, listed at Crowder Supply as APT18141. It carries the clamp load on its stud or bolt. On an impact tool, thread and face condition matter a nut that has been run down over damaged threads will not hold torque.
The published breakdown lists it on the 138 Rock Drill. Check it against the reference number on the diagram first; serial breaks change what fits.
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. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 18141
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT18141
- Listed on breakdowns for: 138 Rock Drill
