This is Chicago Pneumatic part number 4700W58956 washer, stocked at Crowder Supply as CP-4700W58956. It sits under the fastener to preserve the mating face and hold tension in a joint that vibrates constantly.
If you are working from a machine rather than a part number, start at the parts diagram hub, or send us the model and serial and we will match it. Machines themselves are on the Chicago Pneumatic tool range. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 4700W58956
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-4700W58956