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Century Spring

3371 - 0.56 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 4.25 coils and Closed ends. This spring features an O.D. of 0.437 Inch, and an I.D. of 0.373 Inch.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3371
Ends Closed
Finish Zinc
Free Length 0.56 in
Inside Diameter 0.373 in
Material Spring Steel
Outside Diameter 0.437 in
Part Type Standard
Rate 10 lbs/in
SKU 3371CS
Solid Length 0.17 in
Suggested Max Deflection 0.31 in
Suggested Max Load 3.1 lbf
Total Coils 4.25
Wire Diameter 0.032 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3371
Ends Closed
Finish Zinc
Free Length 14.22 mm
Inside Diameter 9.47 mm
Material Spring Steel
Outside Diameter 11.1 mm
Part Type Standard
Rate 1.75 N/mm
SKU 3371CS
Solid Length 4.32 mm
Suggested Max Deflection 7.87 mm
Suggested Max Load 13.79 N
Total Coils 4.25
Wire Diameter 0.81 mm
The 3371CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.032" diameter hard drawn, the 3371 spring design exhibits reliable strength across its 4.25 active coils, withstanding repeated compression cycles with a maximum load of 3.1 lbf without succumbing to fatigue.

We manufacture the 3371 design to provide a compression spring that is 0.56" long at rest and provides a consistent rate of 10 lbs/in along its recommended maximum of 0.31" deflection. For best results, your application should fully accommodate the inner (0.373") and outer (0.437") diameters of this spring and be designed for its closed end configuration.

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