O-Ring, Chicago Pneumatic part number 4700W65175 (also carried as 0663211169), listed at Crowder Supply as CP-4700W65175. It seals a pressure joint inside the tool, and because elastomer takes a set long before the metal around it wears, it is one of the first items to replace when a machine starts weeping air or oil.
Matching it to a machine? Send us the model and serial and we will confirm the fit, or work back from the parts breakdown index. Complete tools 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: 4700W65175
- Also listed as: 0663211169
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-4700W65175