Ordering by number: this is 3315019504, the Chicago Pneumatic Lock Washer. It is a wedge-locking washer that keeps a bolt from backing out.
You will find it on this Chicago Pneumatic BRK 55 parts diagram: CP BRK 55 – VR handle. Check it against the reference number on the diagram first; serial breaks change what fits.
The parts diagram library indexes every breakdown we publish, and the Chicago Pneumatic tool range has the tools these parts go into. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 3315019504
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-3315019504
- Listed on breakdowns for: CP BRK 55 – VR handle
