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L-40CS - 0.25" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 4 coils and closed & ground ends. This spring features an O.D. of 0.25", and an I.D. of 0.178".

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

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name L-40
Ends Closed & Ground
Finish Zinc
Free Length 0.25 in
Inside Diameter 0.178 in
Material Spring Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 123 lbs/in
SKU L-40CS
Solid Length 0.14 in
Suggested Max Deflection 0.06 in
Suggested Max Load 7 lbf
Total Coils 4
Wire Diameter 0.036 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name L-40
Ends Closed & Ground
Finish Zinc
Free Length 6.35 mm
Inside Diameter 4.52 mm
Material Spring Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 21.54 N/mm
SKU L-40CS
Solid Length 3.56 mm
Suggested Max Deflection 1.52 mm
Suggested Max Load 31.14 N
Total Coils 4
Wire Diameter 0.91 mm
The compression spring L-40CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the L-40 compression spring design exhibits exceptional tensile strength and resilience.

The L-40 design is manufactured with a free length of 0.25", with an outer diameter of 0.25", an inner diameter of 0.178", and a total of 4 coils, expertly designed to deliver consistent compression characteristics including a rate of 123 lbs/in.

The L-40CS 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 L-40 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.