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Century Spring

520CS - 1.06" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 7.75 coils and closed ends. This spring features an O.D. of 0.437", and an I.D. of 0.355".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 520
Ends Closed
Finish Zinc
Free Length 1.06 in
Inside Diameter 0.355 in
Material Spring Steel
Outside Diameter 0.437 in
Part Type Standard
Rate 11 lbs/in
SKU 520CS
Solid Length 0.36 in
Suggested Max Deflection 0.54 in
Suggested Max Load 6.1 lbf
Total Coils 7.75
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 520
Ends Closed
Finish Zinc
Free Length 26.92 mm
Inside Diameter 9.02 mm
Material Spring Steel
Outside Diameter 11.1 mm
Part Type Standard
Rate 1.93 N/mm
SKU 520CS
Solid Length 9.14 mm
Suggested Max Deflection 13.72 mm
Suggested Max Load 27.13 N
Total Coils 7.75
Wire Diameter 1.04 mm
The compression spring 520CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the 520 compression spring design exhibits exceptional tensile strength and resilience.

The 520 design is manufactured with a free length of 1.06", with an outer diameter of 0.437", an inner diameter of 0.355", and a total of 7.75 coils, expertly designed to deliver consistent compression characteristics including a rate of 11 lbs/in.

The 520CS compression spring is ideally suited for use in a wide range of mechanical assemblies, including but not limited to automotive suspension systems, industrial machinery, and electronic devices.

In summary, the compression spring 520 design stands out for its superior material properties, thoughtful design, and versatility in application. It is a prime choice for engineers committed to excellence and innovation in their projects.

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