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FF-33CS - 0.38 Inch Music Wire Compression Springs

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The FF-33CS is a regular compression spring manufactured by Century Spring. It is made from Music Wire and has a smooth finish. This spring has a wire diameter of 0.012 inches, an outer diameter of 0.094 inches, and a free length of 0.38 inches. It has a spring rate of 5.7 lbs/inch and a maximum load of 1.2 Pound Force. The FF-33CS is a closed-end spring, meaning the ends are squared. It is a standard compression spring suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. Our products, including the FF-33CS, are proudly made in the United States. With our efficient shipping process and ample supply, we ensure that our 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 0.38 in
Inside Diameter 0.07 in
Material Music Wire
Outside Diameter 0.094 in
Part Type Standard
Rate 5.7 lbs/in
SKU FF-33CS
Solid Length 0.15 in
Suggested Max Deflection 0.21 in
Suggested Max Load 1.2 lbf
Total Coils 11.5
Wire Diameter 0.012 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed
Finish None
Free Length 9.65 mm
Inside Diameter 1.78 mm
Material Music Wire
Outside Diameter 2.39 mm
Part Type Standard
Rate 1 N/mm
SKU FF-33CS
Solid Length 3.81 mm
Suggested Max Deflection 5.33 mm
Suggested Max Load 5.34 N
Total Coils 11.5
Wire Diameter 0.3 mm