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11609CS - 3.53" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 9.5 coils and closed & ground ends. This spring features an O.D. of 1.781", and an I.D. of 1.309".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 11609
Ends Closed & Ground
Finish Zinc
Free Length 3.53 in
Inside Diameter 1.309 in
Material Spring Steel
Outside Diameter 1.781 in
Part Type Standard
Rate 161 lbs/in
SKU 11609CS
Solid Length 2.48 in
Suggested Max Deflection 1.1 in
Suggested Max Load 170 lbf
Total Coils 9.5
Wire Diameter 0.236 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 11609
Ends Closed & Ground
Finish Zinc
Free Length 89.66 mm
Inside Diameter 33.25 mm
Material Spring Steel
Outside Diameter 45.24 mm
Part Type Standard
Rate 28.19 N/mm
SKU 11609CS
Solid Length 62.99 mm
Suggested Max Deflection 27.94 mm
Suggested Max Load 756.16 N
Total Coils 9.5
Wire Diameter 5.99 mm
The compression spring 11609CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the 11609 compression spring design exhibits exceptional tensile strength and resilience.

The 11609 design is manufactured with a free length of 3.53", with an outer diameter of 1.781", an inner diameter of 1.309", and a total of 9.5 coils, expertly designed to deliver consistent compression characteristics including a rate of 161 lbs/in.

The 11609CS 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 11609 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.