This is Atlas Copco part number 3377000503 washer, stocked at Crowder Supply as AC-3377000503. This distributes bolt load across the joint face on the power pack. Flattened or dished washers are replaced during reassembly.
The published breakdown lists it on the LP 13-30P Hydraulic Power Pac. Check it against the reference number on the diagram first; serial breaks change what fits.
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: 3377000503
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3377000503
- Listed on breakdowns for: LP 13-30P Hydraulic Power Pac
