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Century Spring

3910CS - 1.25" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 5 coils and closed & ground ends. This spring features an O.D. of 1.094", and an I.D. of 0.912".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3910
Ends Closed & Ground
Finish Gold Iridite
Free Length 1.25 in
Inside Diameter 0.912 in
Material Spring Steel
Outside Diameter 1.094 in
Part Type Standard
Rate 33 lbs/in
SKU 3910CS
Solid Length 0.46 in
Suggested Max Deflection 0.7 in
Suggested Max Load 23 lbf
Total Coils 5
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3910
Ends Closed & Ground
Finish Gold Iridite
Free Length 31.75 mm
Inside Diameter 23.16 mm
Material Spring Steel
Outside Diameter 27.79 mm
Part Type Standard
Rate 5.78 N/mm
SKU 3910CS
Solid Length 11.68 mm
Suggested Max Deflection 17.78 mm
Suggested Max Load 102.3 N
Total Coils 5
Wire Diameter 2.31 mm
The 3910 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 3910CS compression spring is designed with a free length of 0.63" total of 11 coils, and a rate of 1.6 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 3910 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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