Spring is the Atlas Copco service part carried under part number 3310121600. Springs in a tool fatigue with cycle count rather than age, so a control that has gone lazy or fails to return is usually this part rather than the component it drives.

If you are working from a machine rather than a part number, start at the parts diagram library, or send us the model and serial and we will match it. Machines themselves are on the Atlas Copco tool range. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.

• Part number: 3310121600
• Manufacturer: Atlas Copco
• Crowder SKU: AC-3310121600