Ordering by number: this is 3371820737, the Chicago Pneumatic Locking Ring 64×2. It is a locking ring.
You will find it on this Chicago Pneumatic BRK 55 parts diagram: CP BRK 55 – Nose parts – all shank sizes. 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: 3371820737
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-3371820737
- Listed on breakdowns for: CP BRK 55 – Nose parts – all shank sizes
