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Century Spring

3984CS - 0.41" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 4 coils and closed ends. This spring features an O.D. of 0.437", and an I.D. of 0.361".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3984
Ends Closed
Finish Zinc
Free Length 0.41 in
Inside Diameter 0.361 in
Material Spring Steel
Outside Diameter 0.437 in
Part Type Standard
Rate 23 lbs/in
SKU 3984CS
Solid Length 0.19 in
Suggested Max Deflection 0.21 in
Suggested Max Load 4.9 lbf
Total Coils 4
Wire Diameter 0.038 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3984
Ends Closed
Finish Zinc
Free Length 10.41 mm
Inside Diameter 9.17 mm
Material Spring Steel
Outside Diameter 11.1 mm
Part Type Standard
Rate 4.03 N/mm
SKU 3984CS
Solid Length 4.83 mm
Suggested Max Deflection 5.33 mm
Suggested Max Load 21.8 N
Total Coils 4
Wire Diameter 0.97 mm
The compression spring 3984CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the 3984 compression spring design exhibits exceptional tensile strength and resilience.

The 3984 design is manufactured with a free length of 0.41", with an outer diameter of 0.437", an inner diameter of 0.361", and a total of 4 coils, expertly designed to deliver consistent compression characteristics including a rate of 23 lbs/in.

The 3984CS 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 3984 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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