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3443CS - 3.69" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 7.5 coils and closed & ground ends. This spring features an O.D. of 1.359", and an I.D. of 0.945".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3443
Ends Closed & Ground
Finish Zinc
Free Length 3.69 in
Inside Diameter 0.945 in
Material Spring Steel
Outside Diameter 1.359 in
Part Type Standard
Rate 314 lbs/in
SKU 3443CS
Solid Length 1.55 in
Suggested Max Deflection 0.58 in
Suggested Max Load 181 lbf
Total Coils 7.5
Wire Diameter 0.207 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3443
Ends Closed & Ground
Finish Zinc
Free Length 93.73 mm
Inside Diameter 24 mm
Material Spring Steel
Outside Diameter 34.52 mm
Part Type Standard
Rate 54.98 N/mm
SKU 3443CS
Solid Length 39.37 mm
Suggested Max Deflection 14.73 mm
Suggested Max Load 805.09 N
Total Coils 7.5
Wire Diameter 5.26 mm
The 3443 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 3443CS compression spring is designed with a free length of 2" total of 21 coils, and a rate of 73 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 3443 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.

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