This is the Atlas Copco washer – 16.8/8.5×1.5 part number 3371814752, Crowder SKU AC-3371814752. It sits under the fastener to preserve the mating face and hold tension in a joint that vibrates constantly.
It appears on the PDR 30T Hydraulic Post Driver and MH 11 Hydraulic Paving Breaker, and on 7 other machines breakdown. Compare it to the reference callout on the diagram to be sure it is the position you need.
If you need the parts around it, the parts breakdown index has the full breakdown library, and the Atlas Copco lineup covers the machines themselves. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 3371814752
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371814752
- Listed on breakdowns for: PDR 30T Hydraulic Post Driver, MH 11 Hydraulic Paving Breaker, MDR 30T Hydraulic Post Driver, LH 18 19E Hydraulic Paving Breaker, LH180 190E Hydraulic Paving Breaker, LH11 Hydraulic Pick Hammer, +3 more
