This is the Chicago Pneumatic manual safety valve part number N430104, which also shows up as 3310103905, Crowder SKU CP-N430104. This part controls the working cycle of the saw. When its faces wear, the tool sounds different and the blow rate falls off usually the first thing checked on a slow machine.
It shows up in the parts breakdown for the CP 0044 Concrete Saw.
The parts breakdown index indexes every breakdown we publish, and the Chicago Pneumatic lineup has the tools these parts go into. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: N430104
- Also listed as: 3310103905
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-N430104
- Listed on breakdowns for: CP 0044 Concrete Saw

