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NN-39CS - 0.53" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 7 coils and closed ends. This spring features an O.D. of 0.25", and an I.D. of 0.17".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name NN-39
Ends Closed
Finish None
Free Length 0.53 in
Inside Diameter 0.17 in
Material Spring Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 79 lbs/in
SKU NN-39CS
Solid Length 0.32 in
Suggested Max Deflection 0.12 in
Suggested Max Load 9.5 lbf
Total Coils 7
Wire Diameter 0.04 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name NN-39
Ends Closed
Finish None
Free Length 13.46 mm
Inside Diameter 4.32 mm
Material Spring Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 13.83 N/mm
SKU NN-39CS
Solid Length 8.13 mm
Suggested Max Deflection 3.05 mm
Suggested Max Load 42.26 N
Total Coils 7
Wire Diameter 1.02 mm
The compression spring NN-39CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the NN-39 compression spring design exhibits exceptional tensile strength and resilience.

The NN-39 design is manufactured with a free length of 0.53", with an outer diameter of 0.25", an inner diameter of 0.17", and a total of 7 coils, expertly designed to deliver consistent compression characteristics including a rate of 79 lbs/in.

The NN-39CS 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 NN-39 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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