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F-66CS - 0.34 Inch Music Wire Compression Springs

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The F-66CS is a regular compression spring from Century Spring. It is made from Music Wire and has a Zinc finish. This spring has a wire diameter of 0.026 inches, an outer diameter of 0.188 inches, and a free length of 0.34 inches. It has a spring rate of 39 lbs/inch and a maximum load of 5.1 Pound Force. The F-66CS is a closed-end spring, meaning the ends are squared. It has a total of 6 coils and a solid length of 0.18 inches. This standard compression spring is suitable for various applications.

At Century Spring, we offer fast shipping and maintain a significant stock inventory. Our products, including the F-66CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed
Finish Zinc
Free Length 0.34 in
Inside Diameter 0.136 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 39 lbs/in
SKU F-66CS
Solid Length 0.18 in
Suggested Max Deflection 0.13 in
Suggested Max Load 5.1 lbf
Total Coils 6
Wire Diameter 0.026 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed
Finish Zinc
Free Length 8.64 mm
Inside Diameter 3.45 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 6.83 N/mm
SKU F-66CS
Solid Length 4.57 mm
Suggested Max Deflection 3.3 mm
Suggested Max Load 22.68 N
Total Coils 6
Wire Diameter 0.66 mm