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4143CS - 11.9" Hard Drawn Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from hard drawn with 59 coils and closed ends. This spring features an O.D. of 0.625", and an I.D. of 0.481".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4143
Ends Closed
Finish Zinc
Free Length 11.9 in
Inside Diameter 0.481 in
Material Spring Steel
Outside Diameter 0.625 in
Part Type Standard
Rate 4 lbs/in
SKU 4143CS
Solid Length 4.32 in
Suggested Max Deflection 5 in
Suggested Max Load 20 lbf
Total Coils 59
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4143
Ends Closed
Finish Zinc
Free Length 302.26 mm
Inside Diameter 12.22 mm
Material Spring Steel
Outside Diameter 15.88 mm
Part Type Standard
Rate 0.7 N/mm
SKU 4143CS
Solid Length 109.73 mm
Suggested Max Deflection 127 mm
Suggested Max Load 88.96 N
Total Coils 59
Wire Diameter 1.83 mm
The 4143 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality hard drawn 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 4143CS compression spring is designed with a free length of 2.75" total of 10.5 coils, and a rate of 47 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The 4143 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.