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Century Spring

839 - 12 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 32 coils and Closed & Ground ends. This spring features an O.D. of 1.25 Inch, and an I.D. of 0.866 Inch.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 839
Ends Closed & Ground
Finish Zinc
Free Length 12 in
Inside Diameter 0.866 in
Material Spring Steel
Outside Diameter 1.25 in
Part Type Standard
Rate 55 lbs/in
SKU 839CS
Solid Length 6.14 in
Suggested Max Deflection 2.9 in
Suggested Max Load 157 lbf
Total Coils 32
Wire Diameter 0.192 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 839
Ends Closed & Ground
Finish Zinc
Free Length 304.8 mm
Inside Diameter 22 mm
Material Spring Steel
Outside Diameter 31.75 mm
Part Type Standard
Rate 9.63 N/mm
SKU 839CS
Solid Length 155.96 mm
Suggested Max Deflection 73.66 mm
Suggested Max Load 698.34 N
Total Coils 32
Wire Diameter 4.88 mm
The 839 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality hard drawn 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 839CS compression spring is designed with a free length of 12" total of 41.8 coils, and a rate of 61 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 839 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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