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Century Spring

3356CS - 0.69" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 4 coils and closed & ground ends. This spring features an O.D. of 0.812", and an I.D. of 0.642".

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 3356
Ends Closed & Ground
Finish Zinc
Free Length 0.69 in
Inside Diameter 0.642 in
Material Spring Steel
Outside Diameter 0.812 in
Part Type Standard
Rate 98 lbs/in
SKU 3356CS
Solid Length 0.34 in
Suggested Max Deflection 0.26 in
Suggested Max Load 26 lbf
Total Coils 4
Wire Diameter 0.085 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3356
Ends Closed & Ground
Finish Zinc
Free Length 17.53 mm
Inside Diameter 16.31 mm
Material Spring Steel
Outside Diameter 20.62 mm
Part Type Standard
Rate 17.16 N/mm
SKU 3356CS
Solid Length 8.64 mm
Suggested Max Deflection 6.6 mm
Suggested Max Load 115.65 N
Total Coils 4
Wire Diameter 2.16 mm
The 3356 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 3356CS compression spring is designed with a free length of 1.88" total of 4.5 coils, and a rate of 47 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 3356 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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