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Century Spring

I-3CS - 1.22" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 11.5 coils and closed & ground ends. This spring features an O.D. of 0.328", and an I.D. of 0.23".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name I-3
Ends Closed & Ground
Finish None
Free Length 1.22 in
Inside Diameter 0.23 in
Material Spring Steel
Outside Diameter 0.328 in
Part Type Standard
Rate 40 lbs/in
SKU I-3CS
Solid Length 0.56 in
Suggested Max Deflection 0.33 in
Suggested Max Load 13 lbf
Total Coils 11.5
Wire Diameter 0.049 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name I-3
Ends Closed & Ground
Finish None
Free Length 30.99 mm
Inside Diameter 5.84 mm
Material Spring Steel
Outside Diameter 8.33 mm
Part Type Standard
Rate 7 N/mm
SKU I-3CS
Solid Length 14.22 mm
Suggested Max Deflection 8.38 mm
Suggested Max Load 57.82 N
Total Coils 11.5
Wire Diameter 1.24 mm
The I-3 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 I-3CS compression spring is designed with a free length of 1.31" total of 12.3 coils, and a rate of 21 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 I-3 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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