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Century Spring

2739CS - 2.5" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 12.5 coils and closed & ground ends. This spring features an O.D. of 0.687", and an I.D. of 0.417".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 2739
Ends Closed & Ground
Finish Zinc
Free Length 2.5 in
Inside Diameter 0.417 in
Material Spring Steel
Outside Diameter 0.687 in
Part Type Standard
Rate 270 lbs/in
SKU 2739CS
Solid Length 1.69 in
Suggested Max Deflection 0.38 in
Suggested Max Load 103 lbf
Total Coils 12.5
Wire Diameter 0.135 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 2739
Ends Closed & Ground
Finish Zinc
Free Length 63.5 mm
Inside Diameter 10.59 mm
Material Spring Steel
Outside Diameter 17.45 mm
Part Type Standard
Rate 47.28 N/mm
SKU 2739CS
Solid Length 42.93 mm
Suggested Max Deflection 9.65 mm
Suggested Max Load 458.14 N
Total Coils 12.5
Wire Diameter 3.43 mm
The 2739CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.135" diameter spring steel, the 2739 spring design exhibits reliable strength across its 12.5 active coils, withstanding repeated compression cycles with a maximum load of 103 lbf without succumbing to fatigue.

We manufacture the 2739 design to provide a compression spring that is 2.5" long at rest and provides a consistent rate of 270 lbs/in along its recommended maximum of 0.38" deflection. For best results, your application should fully accommodate the inner (0.417") and outer (0.687") diameters of this spring and be designed for its closed & ground end configuration.

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