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Century Spring

11409CS - 2.75" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 7.25 coils and closed ends. This spring features an O.D. of 1.359", and an I.D. of 1.119".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 11409
Ends Closed
Finish Zinc
Free Length 2.75 in
Inside Diameter 1.119 in
Material Spring Steel
Outside Diameter 1.359 in
Part Type Standard
Rate 30 lbs/in
SKU 11409CS
Solid Length 0.99 in
Suggested Max Deflection 1.4 in
Suggested Max Load 41 lbf
Total Coils 7.25
Wire Diameter 0.12 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 11409
Ends Closed
Finish Zinc
Free Length 69.85 mm
Inside Diameter 28.42 mm
Material Spring Steel
Outside Diameter 34.52 mm
Part Type Standard
Rate 5.25 N/mm
SKU 11409CS
Solid Length 25.15 mm
Suggested Max Deflection 35.56 mm
Suggested Max Load 182.37 N
Total Coils 7.25
Wire Diameter 3.05 mm
The compression spring 11409CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the 11409 compression spring design exhibits exceptional tensile strength and resilience.

The 11409 design is manufactured with a free length of 2.75", with an outer diameter of 1.359", an inner diameter of 1.119", and a total of 7.25 coils, expertly designed to deliver consistent compression characteristics including a rate of 30 lbs/in.

The 11409CS 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 11409 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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