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12166CS - 3.38" Spring Steel Compression Spring

Inventory Status
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Compression spring manufactured from spring steel with 11 coils and closed ends. This spring features an O.D. of 0.875", and an I.D. of 0.75".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12166
Ends Closed
Finish Zinc
Free Length 3.38 in
Inside Diameter 0.75 in
Material Spring Steel
Outside Diameter 0.875 in
Part Type Standard
Rate 4.7 lbs/in
SKU 12166CS
Solid Length 0.76 in
Suggested Max Deflection 2.2 in
Suggested Max Load 10 lbf
Total Coils 11
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12166
Ends Closed
Finish Zinc
Free Length 85.85 mm
Inside Diameter 19.05 mm
Material Spring Steel
Outside Diameter 22.23 mm
Part Type Standard
Rate 0.82 N/mm
SKU 12166CS
Solid Length 19.3 mm
Suggested Max Deflection 55.88 mm
Suggested Max Load 44.48 N
Total Coils 11
Wire Diameter 1.59 mm
The 12166 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 12166CS compression spring is designed with a free length of 2.63" total of 10 coils, and a rate of 20 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 12166 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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