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Century Spring

I-75CS - 0.31" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 5.5 coils and closed & ground ends. This spring features an O.D. of 0.234", and an I.D. of 0.138".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name I-75
Ends Closed & Ground
Finish None
Free Length 0.31 in
Inside Diameter 0.138 in
Material Spring Steel
Outside Diameter 0.234 in
Part Type Standard
Rate 339 lbs/in
SKU I-75CS
Solid Length 0.26 in
Suggested Max Deflection 0.05 in
Suggested Max Load 16 lbf
Total Coils 5.5
Wire Diameter 0.048 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name I-75
Ends Closed & Ground
Finish None
Free Length 7.87 mm
Inside Diameter 3.51 mm
Material Spring Steel
Outside Diameter 5.94 mm
Part Type Standard
Rate 59.36 N/mm
SKU I-75CS
Solid Length 6.6 mm
Suggested Max Deflection 1.27 mm
Suggested Max Load 71.17 N
Total Coils 5.5
Wire Diameter 1.22 mm
The I-75 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-75CS compression spring is designed with a free length of 0.38" total of 4 coils, and a rate of 2601 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-75 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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