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Century Spring

3100CS - 5" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 21 coils and closed & ground ends. This spring features an O.D. of 0.828", and an I.D. of 0.618".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3100
Ends Closed & Ground
Finish Zinc
Free Length 5 in
Inside Diameter 0.618 in
Material Spring Steel
Outside Diameter 0.828 in
Part Type Standard
Rate 24 lbs/in
SKU 3100CS
Solid Length 2.21 in
Suggested Max Deflection 1.9 in
Suggested Max Load 45 lbf
Total Coils 21
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3100
Ends Closed & Ground
Finish Zinc
Free Length 127 mm
Inside Diameter 15.7 mm
Material Spring Steel
Outside Diameter 21.03 mm
Part Type Standard
Rate 4.2 N/mm
SKU 3100CS
Solid Length 56.13 mm
Suggested Max Deflection 48.26 mm
Suggested Max Load 200.16 N
Total Coils 21
Wire Diameter 2.67 mm
The 3100CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.105" diameter spring steel, the 3100 spring design exhibits reliable strength across its 21 active coils, withstanding repeated compression cycles with a maximum load of 45 lbf without succumbing to fatigue.

We manufacture the 3100 design to provide a compression spring that is 5" long at rest and provides a consistent rate of 24 lbs/in along its recommended maximum of 1.9" deflection. For best results, your application should fully accommodate the inner (0.618") and outer (0.828") diameters of this spring and be designed for its closed & ground end configuration.

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