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Century Spring

3129CS - 0.97" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 5 coils and closed ends. This spring features an O.D. of 0.625", and an I.D. of 0.563".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3129
Ends Closed
Finish Zinc
Free Length 0.97 in
Inside Diameter 0.563 in
Material Music Wire
Outside Diameter 0.625 in
Part Type Standard
Rate 2.1 lbs/in
SKU 3129CS
Solid Length 0.19 in
Suggested Max Deflection 0.78 in
Suggested Max Load 1.7 lbf
Total Coils 5
Wire Diameter 0.031 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3129
Ends Closed
Finish Zinc
Free Length 24.64 mm
Inside Diameter 14.3 mm
Material Music Wire
Outside Diameter 15.88 mm
Part Type Standard
Rate 0.37 N/mm
SKU 3129CS
Solid Length 4.83 mm
Suggested Max Deflection 19.81 mm
Suggested Max Load 7.56 N
Total Coils 5
Wire Diameter 0.79 mm
The 3129 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 3129CS compression spring is designed with a free length of 2" total of 18 coils, and a rate of 28 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 3129 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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