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Century Spring

76139CS - 0.394" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 3.4 coils and closed & ground ends. This spring features an O.D. of 0.423", and an I.D. of 0.364".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 76139
Ends Closed & Ground
Finish None
Free Length 0.394 in
Inside Diameter 0.364 in
Material Music Wire
Outside Diameter 0.423 in
Part Type Metric
Rate 12.791 lbs/in
SKU 76139CS
Solid Length 0.1 in
Suggested Max Deflection 0.272 in
Suggested Max Load 3.476 lbf
Total Coils 3.4
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 76139
Ends Closed & Ground
Finish None
Free Length 10.01 mm
Inside Diameter 9.25 mm
Material Music Wire
Outside Diameter 10.74 mm
Part Type Metric
Rate 2.24 N/mm
SKU 76139CS
Solid Length 2.54 mm
Suggested Max Deflection 6.91 mm
Suggested Max Load 15.46 N
Total Coils 3.4
Wire Diameter 0.76 mm
The compression spring 76139CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality music wire, the 76139 compression spring design exhibits exceptional tensile strength and resilience.

The 76139 design is manufactured with a free length of 0.394", with an outer diameter of 0.423", an inner diameter of 0.364", and a total of 3.4 coils, expertly designed to deliver consistent compression characteristics including a rate of 12.791 lbs/in.

The 76139CS compression spring is ideally suited for use in a wide range of mechanical assemblies, including but not limited to automotive suspension systems, industrial machinery, and electronic devices.

In summary, the compression spring 76139 design stands out for its superior material properties, thoughtful design, and versatility in application. It is a prime choice for engineers committed to excellence and innovation in their projects.

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