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Century Spring

3530CS - 0.5" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 11 coils and closed & ground ends. This spring features an O.D. of 0.188", and an I.D. of 0.144".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3530
Ends Closed & Ground
Finish Zinc
Free Length 0.5 in
Inside Diameter 0.144 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 8.3 lbs/in
SKU 3530CS
Solid Length 0.24 in
Suggested Max Deflection 0.26 in
Suggested Max Load 2.1 lbf
Total Coils 11
Wire Diameter 0.022 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3530
Ends Closed & Ground
Finish Zinc
Free Length 12.7 mm
Inside Diameter 3.66 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 1.45 N/mm
SKU 3530CS
Solid Length 6.1 mm
Suggested Max Deflection 6.6 mm
Suggested Max Load 9.34 N
Total Coils 11
Wire Diameter 0.56 mm
The 3530CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.022" diameter music wire, the 3530 spring design exhibits reliable strength across its 11 active coils, withstanding repeated compression cycles with a maximum load of 2.1 lbf without succumbing to fatigue.

We manufacture the 3530 design to provide a compression spring that is 0.5" long at rest and provides a consistent rate of 8.3 lbs/in along its recommended maximum of 0.26" deflection. For best results, your application should fully accommodate the inner (0.144") and outer (0.188") diameters of this spring and be designed for its closed & ground end configuration.

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