Spring Type Retainer 7/8 X 4-1/4″, Chicago Pneumatic part number R146131, cross-referenced to 3310190082, listed at Crowder Supply as CP-R146131. Retaining the tool steel is its whole job. Worn retention lets the shank hammer against the bore and turns a cheap part into an expensive front head.
Matching it to a machine? Send us the model and serial and we will confirm the fit, or work back from the full diagram library. Complete tools are on the Chicago Pneumatic lineup. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: R146131
- Also listed as: 3310190082
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R146131

