Ordering by number: this is 0300012920, the Chicago Pneumatic washer. It spreads clamp load and protects the face under the fastener routine hardware, but the wrong one changes how the joint holds torque.
Give us the model and serial off your machine and we will confirm the fit; the parts breakdown index and the Chicago Pneumatic tool range are the other two places to start. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 0300012920
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-0300012920