91ÖÆƬ³§

This browser is no longer supported. Upgrade to Microsoft Edge or switch to a supported browser, like Chrome, Safari, or Firefox, to explore the Components website.

We're sorry for the inconvenience.

Century Spring

NN-78CS - 1.31" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 17 coils and closed & ground ends. This spring features an O.D. of 0.312", and an I.D. of 0.218".

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name NN-78
Ends Closed & Ground
Finish None
Free Length 1.31 in
Inside Diameter 0.218 in
Material Spring Steel
Outside Diameter 0.312 in
Part Type Standard
Rate 25 lbs/in
SKU NN-78CS
Solid Length 0.8 in
Suggested Max Deflection 0.49 in
Suggested Max Load 12 lbf
Total Coils 17
Wire Diameter 0.047 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name NN-78
Ends Closed & Ground
Finish None
Free Length 33.27 mm
Inside Diameter 5.54 mm
Material Spring Steel
Outside Diameter 7.92 mm
Part Type Standard
Rate 4.38 N/mm
SKU NN-78CS
Solid Length 20.32 mm
Suggested Max Deflection 12.45 mm
Suggested Max Load 53.38 N
Total Coils 17
Wire Diameter 1.19 mm
The compression spring NN-78CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the NN-78 compression spring design exhibits exceptional tensile strength and resilience.

The NN-78 design is manufactured with a free length of 1.31", with an outer diameter of 0.312", an inner diameter of 0.218", and a total of 17 coils, expertly designed to deliver consistent compression characteristics including a rate of 25 lbs/in.

The NN-78CS 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-78 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.

You May Also Like

Related Resources

View More Resources