This is Atlas Copco part number 3121554900 throttle pin, stocked at Crowder Supply as AC-3121554900. This is control gear it meters air to the tool. A worn control gives creep, hard starting, or a tool that will not shut off cleanly.
If you are working from a machine rather than a part number, start at the parts breakdown index, or send us the model and serial and we will match it. Machines themselves are on the Atlas Copco lineup. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 3121554900
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3121554900