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FF-51CS - 0.69 Inch Music Wire Compression Springs

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Estimated Lead Time

The FF-51CS is a regular compression spring manufactured by Century Spring. It is made from Music Wire and has a natural finish. This spring has a wire diameter of 0.01 inches, an outside diameter of 0.125 inches, and a free length of 0.69 inches. It has a spring rate of 0.35 lbs/inch and a maximum load of 0.14 Pound Force. The FF-51CS is a closed-end spring, meaning the ends are squared. It is a standard compression spring and is suitable for various applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our products, including the FF-51CS, 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 None
Free Length 0.69 in
Inside Diameter 0.105 in
Material Music Wire
Outside Diameter 0.125 in
Part Type Standard
Rate 0.35 lbs/in
SKU FF-51CS
Solid Length 0.3 in
Suggested Max Deflection 0.39 in
Suggested Max Load 0.14 lbf
Total Coils 29
Wire Diameter 0.01 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed
Finish None
Free Length 17.53 mm
Inside Diameter 2.67 mm
Material Music Wire
Outside Diameter 3.18 mm
Part Type Standard
Rate 0.06 N/mm
SKU FF-51CS
Solid Length 7.62 mm
Suggested Max Deflection 9.91 mm
Suggested Max Load 0.62 N
Total Coils 29
Wire Diameter 0.25 mm