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Century Spring

3556CS - 2.25" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 14.8 coils and closed & ground ends. This spring features an O.D. of 0.562", and an I.D. of 0.426".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3556
Ends Closed & Ground
Finish Zinc
Free Length 2.25 in
Inside Diameter 0.426 in
Material Music Wire
Outside Diameter 0.562 in
Part Type Standard
Rate 20 lbs/in
SKU 3556CS
Solid Length 1 in
Suggested Max Deflection 1.2 in
Suggested Max Load 25 lbf
Total Coils 14.8
Wire Diameter 0.068 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3556
Ends Closed & Ground
Finish Zinc
Free Length 57.15 mm
Inside Diameter 10.82 mm
Material Music Wire
Outside Diameter 14.27 mm
Part Type Standard
Rate 3.5 N/mm
SKU 3556CS
Solid Length 25.4 mm
Suggested Max Deflection 30.48 mm
Suggested Max Load 111.2 N
Total Coils 14.8
Wire Diameter 1.73 mm
The 3556 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality music wire 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 3556CS compression spring is designed with a free length of 2" total of 14 coils, and a rate of 6.8 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 3556 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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