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Century Spring

4307CS - 5" Music Wire Compression Spring

Inventory Status
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Compression spring manufactured from music wire with 62 coils and closed ends. This spring features an O.D. of 0.281", and an I.D. of 0.231".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4307
Ends Closed
Finish Zinc
Free Length 5 in
Inside Diameter 0.231 in
Material Music Wire
Outside Diameter 0.281 in
Part Type Standard
Rate 0.56 lbs/in
SKU 4307CS
Solid Length 1.58 in
Suggested Max Deflection 3.4 in
Suggested Max Load 1.9 lbf
Total Coils 62
Wire Diameter 0.025 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4307
Ends Closed
Finish Zinc
Free Length 127 mm
Inside Diameter 5.87 mm
Material Music Wire
Outside Diameter 7.14 mm
Part Type Standard
Rate 0.1 N/mm
SKU 4307CS
Solid Length 40.13 mm
Suggested Max Deflection 86.36 mm
Suggested Max Load 8.45 N
Total Coils 62
Wire Diameter 0.64 mm
The 4307CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.025" diameter music wire, the 4307 spring design exhibits reliable strength across its 62 active coils, withstanding repeated compression cycles with a maximum load of 1.9 lbf without succumbing to fatigue.

We manufacture the 4307 design to provide a compression spring that is 5" long at rest and provides a consistent rate of 0.56 lbs/in along its recommended maximum of 3.4" deflection. For best results, your application should fully accommodate the inner (0.231") and outer (0.281") diameters of this spring and be designed for its closed end configuration.

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