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Century Spring

3181CS - 0.44" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 3 coils and closed & ground ends. This spring features an O.D. of 0.64", and an I.D. of 0.512".

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 3181
Ends Closed & Ground
Finish Gold Iridite
Free Length 0.44 in
Inside Diameter 0.512 in
Material Spring Steel
Outside Diameter 0.64 in
Part Type Standard
Rate 126 lbs/in
SKU 3181CS
Solid Length 0.19 in
Suggested Max Deflection 0.12 in
Suggested Max Load 15 lbf
Total Coils 3
Wire Diameter 0.064 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3181
Ends Closed & Ground
Finish Gold Iridite
Free Length 11.18 mm
Inside Diameter 13 mm
Material Spring Steel
Outside Diameter 16.26 mm
Part Type Standard
Rate 22.06 N/mm
SKU 3181CS
Solid Length 4.83 mm
Suggested Max Deflection 3.05 mm
Suggested Max Load 66.72 N
Total Coils 3
Wire Diameter 1.63 mm
The compression spring 3181CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the 3181 compression spring design exhibits exceptional tensile strength and resilience.

The 3181 design is manufactured with a free length of 0.44", with an outer diameter of 0.64", an inner diameter of 0.512", and a total of 3 coils, expertly designed to deliver consistent compression characteristics including a rate of 126 lbs/in.

The 3181CS 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 3181 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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