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Century Spring

10403CS - 2.75" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 17.5 coils and closed ends. This spring features an O.D. of 0.437", and an I.D. of 0.375".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 10403
Ends Closed
Finish Zinc
Free Length 2.75 in
Inside Diameter 0.375 in
Material Music Wire
Outside Diameter 0.437 in
Part Type Standard
Rate 1.3 lbs/in
SKU 10403CS
Solid Length 0.57 in
Suggested Max Deflection 2.2 in
Suggested Max Load 2.8 lbf
Total Coils 17.5
Wire Diameter 0.031 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 10403
Ends Closed
Finish Zinc
Free Length 69.85 mm
Inside Diameter 9.53 mm
Material Music Wire
Outside Diameter 11.1 mm
Part Type Standard
Rate 0.23 N/mm
SKU 10403CS
Solid Length 14.48 mm
Suggested Max Deflection 55.88 mm
Suggested Max Load 12.45 N
Total Coils 17.5
Wire Diameter 0.79 mm
The 10403 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality music wire and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The 10403CS compression spring is designed with a free length of 1.63" total of 5 coils, and a rate of 34 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The 10403 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.

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