Ordering by number: this is 3000914001, the Atlas Copco spring. It supplies the return force for its assembly in the tool. A spring that has taken a set gives soft or sticky action long before it actually breaks.

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 Atlas Copco tool range. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.

• Part number: 3000914001
• Manufacturer: Atlas Copco
• Crowder SKU: AC-3000914001