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Century Spring

NN-47CS - 0.81" 302/304 Stainless Steel Compression Spring

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Compression spring manufactured from 302/304 stainless steel with 7.75 coils and closed ends. This spring features an O.D. of 0.39", and an I.D. of 0.334".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name NN-47
Ends Closed
Finish None
Free Length 0.81 in
Inside Diameter 0.334 in
Material 302/304 Stainless Steel
Outside Diameter 0.39 in
Part Type Standard
Rate 2.8 lbs/in
SKU NN-47CS
Solid Length 0.25 in
Suggested Max Deflection 0.57 in
Suggested Max Load 1.6 lbf
Total Coils 7.75
Wire Diameter 0.028 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name NN-47
Ends Closed
Finish None
Free Length 20.57 mm
Inside Diameter 8.48 mm
Material 302/304 Stainless Steel
Outside Diameter 9.91 mm
Part Type Standard
Rate 0.49 N/mm
SKU NN-47CS
Solid Length 6.35 mm
Suggested Max Deflection 14.48 mm
Suggested Max Load 7.12 N
Total Coils 7.75
Wire Diameter 0.71 mm
The compression spring NN-47CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the NN-47 compression spring design exhibits exceptional tensile strength and resilience.

The NN-47 design is manufactured with a free length of 0.81", with an outer diameter of 0.39", an inner diameter of 0.334", and a total of 7.75 coils, expertly designed to deliver consistent compression characteristics including a rate of 2.8 lbs/in.

The NN-47CS 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-47 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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