This is Atlas Copco part number 3371817136 back up washer, stocked at Crowder Supply as AC-3371817136. It spreads clamp load and protects the face under the fastener routine hardware, but the wrong one changes how the joint holds torque.
It appears on the RDR 48R Rock Drill and RDR 48M Rock Drill, and on 1 other machine breakdown. Pull up the diagram and confirm the reference number for your serial before ordering.
The parts diagram library indexes every breakdown we publish, and the Atlas Copco tool range has the tools these parts go into. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3371817136
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371817136
- Listed on breakdowns for: RDR 48R Rock Drill, RDR 48M Rock Drill, LHD 23M Hydraulic Rock Drill
