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1945CS - 0.66" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 4 coils and closed ends. This spring features an O.D. of 0.718", and an I.D. of 0.612".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 1945
Ends Closed
Finish Zinc
Free Length 0.66 in
Inside Diameter 0.612 in
Material Spring Steel
Outside Diameter 0.718 in
Part Type Standard
Rate 19 lbs/in
SKU 1945CS
Solid Length 0.27 in
Suggested Max Deflection 0.39 in
Suggested Max Load 7.5 lbf
Total Coils 4
Wire Diameter 0.053 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 1945
Ends Closed
Finish Zinc
Free Length 16.76 mm
Inside Diameter 15.54 mm
Material Spring Steel
Outside Diameter 18.24 mm
Part Type Standard
Rate 3.33 N/mm
SKU 1945CS
Solid Length 6.86 mm
Suggested Max Deflection 9.91 mm
Suggested Max Load 33.36 N
Total Coils 4
Wire Diameter 1.35 mm
The 1945 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 1945CS compression spring is designed with a free length of 7" total of 34 coils, and a rate of 15 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 1945 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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