Tab Washer, Atlas Copco part number 3378512277, listed at Crowder Supply as AC-3378512277. It sits under the fastener to preserve the mating face and hold tension in a joint that vibrates constantly.
It appears on the COR 5/15 Hydraulic Core Drill and MHC5 Hydraulic Core Drill, and on 1 other machine breakdown. Compare it to the reference callout on the diagram to be sure it is the position you need.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts diagram hub. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 3378512277
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3378512277
- Listed on breakdowns for: COR 5/15 Hydraulic Core Drill, MHC5 Hydraulic Core Drill, LCD 500 & LCD 1500 Hydraulic Core Drill

