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Century Spring

12601CS - 3.5" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 23 coils and closed ends. This spring features an O.D. of 0.562", and an I.D. of 0.384".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12601
Ends Closed
Finish None
Free Length 3.5 in
Inside Diameter 0.384 in
Material Music Wire
Outside Diameter 0.562 in
Part Type Standard
Rate 41 lbs/in
SKU 12601CS
Solid Length 2.14 in
Suggested Max Deflection 1.4 in
Suggested Max Load 55 lbf
Total Coils 23
Wire Diameter 0.089 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12601
Ends Closed
Finish None
Free Length 88.9 mm
Inside Diameter 9.75 mm
Material Music Wire
Outside Diameter 14.27 mm
Part Type Standard
Rate 7.18 N/mm
SKU 12601CS
Solid Length 54.36 mm
Suggested Max Deflection 35.56 mm
Suggested Max Load 244.64 N
Total Coils 23
Wire Diameter 2.26 mm
The 12601CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.089" diameter music wire, the 12601 spring design exhibits reliable strength across its 23 active coils, withstanding repeated compression cycles with a maximum load of 55 lbf without succumbing to fatigue.

We manufacture the 12601 design to provide a compression spring that is 3.5" long at rest and provides a consistent rate of 41 lbs/in along its recommended maximum of 1.4" deflection. For best results, your application should fully accommodate the inner (0.384") and outer (0.562") diameters of this spring and be designed for its closed end configuration.

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