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75040CS - 0.689" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 40.65 coils and closed ends. This spring features an O.D. of 0.055", and an I.D. of 0.035".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75040
Ends Closed
Finish None
Free Length 0.689 in
Inside Diameter 0.035 in
Material Music Wire
Outside Diameter 0.055 in
Part Type Metric
Rate 4.259 lbs/in
SKU 75040CS
Solid Length 0.416 in
Suggested Max Deflection 0.252 in
Suggested Max Load 1.073 lbf
Total Coils 40.65
Wire Diameter 0.01 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75040
Ends Closed
Finish None
Free Length 17.5 mm
Inside Diameter 0.89 mm
Material Music Wire
Outside Diameter 1.4 mm
Part Type Metric
Rate 0.75 N/mm
SKU 75040CS
Solid Length 10.57 mm
Suggested Max Deflection 6.4 mm
Suggested Max Load 4.77 N
Total Coils 40.65
Wire Diameter 0.25 mm
The 75040 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 75040CS compression spring is designed with a free length of 0.591" total of 34.89 coils, and a rate of 4.171 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The 75040 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.