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3311CS - 4.13" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 19 coils and closed & ground ends. This spring features an O.D. of 0.609", and an I.D. of 0.399".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3311
Ends Closed & Ground
Finish Zinc
Free Length 4.13 in
Inside Diameter 0.399 in
Material Spring Steel
Outside Diameter 0.609 in
Part Type Standard
Rate 80 lbs/in
SKU 3311CS
Solid Length 2.1 in
Suggested Max Deflection 0.74 in
Suggested Max Load 59 lbf
Total Coils 19
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3311
Ends Closed & Ground
Finish Zinc
Free Length 104.9 mm
Inside Diameter 10.13 mm
Material Spring Steel
Outside Diameter 15.47 mm
Part Type Standard
Rate 14.01 N/mm
SKU 3311CS
Solid Length 53.34 mm
Suggested Max Deflection 18.8 mm
Suggested Max Load 262.43 N
Total Coils 19
Wire Diameter 2.67 mm
The 3311 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 3311CS compression spring is designed with a free length of 4.25" total of 8 coils, and a rate of 14 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 3311 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.