This is the Chicago Pneumatic gasket – rubber part number 470W214829, Crowder SKU CP-470W214829. Seals like this one are consumables in a tool they are cheap, they age with heat and hours, and replacing the whole set during a teardown saves a second strip-down later.

Give us the model and serial off your machine and we will confirm the fit; the parts diagram hub and the Chicago Pneumatic lineup are the other two places to start. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.

• Part number: 470W214829
• Manufacturer: Chicago Pneumatic
• Crowder SKU: CP-470W214829