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3140CS - 2.75" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 9.25 coils and closed ends. This spring features an O.D. of 0.515", and an I.D. of 0.437".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3140
Ends Closed
Finish Zinc
Free Length 2.75 in
Inside Diameter 0.437 in
Material Spring Steel
Outside Diameter 0.515 in
Part Type Standard
Rate 4.2 lbs/in
SKU 3140CS
Solid Length 0.4 in
Suggested Max Deflection 1.1 in
Suggested Max Load 4.5 lbf
Total Coils 9.25
Wire Diameter 0.039 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3140
Ends Closed
Finish Zinc
Free Length 69.85 mm
Inside Diameter 11.1 mm
Material Spring Steel
Outside Diameter 13.08 mm
Part Type Standard
Rate 0.74 N/mm
SKU 3140CS
Solid Length 10.16 mm
Suggested Max Deflection 27.94 mm
Suggested Max Load 20.02 N
Total Coils 9.25
Wire Diameter 0.99 mm
The 3140 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality spring steel and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The 3140CS compression spring is designed with a free length of 3.5" total of 10.5 coils, and a rate of 1.5 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The 3140 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.