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NN-89CS - 0.75" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 15.5 coils and closed & ground ends. This spring features an O.D. of 0.188", and an I.D. of 0.128".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name NN-89
Ends Closed & Ground
Finish None
Free Length 0.75 in
Inside Diameter 0.128 in
Material 302/304 Stainless Steel
Outside Diameter 0.188 in
Part Type Standard
Rate 20 lbs/in
SKU NN-89CS
Solid Length 0.47 in
Suggested Max Deflection 0.26 in
Suggested Max Load 5.2 lbf
Total Coils 15.5
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name NN-89
Ends Closed & Ground
Finish None
Free Length 19.05 mm
Inside Diameter 3.25 mm
Material 302/304 Stainless Steel
Outside Diameter 4.78 mm
Part Type Standard
Rate 3.5 N/mm
SKU NN-89CS
Solid Length 11.94 mm
Suggested Max Deflection 6.6 mm
Suggested Max Load 23.13 N
Total Coils 15.5
Wire Diameter 0.76 mm
The compression spring NN-89CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the NN-89 compression spring design exhibits exceptional tensile strength and resilience.

The NN-89 design is manufactured with a free length of 0.75", with an outer diameter of 0.188", an inner diameter of 0.128", and a total of 15.5 coils, expertly designed to deliver consistent compression characteristics including a rate of 20 lbs/in.

The NN-89CS 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-89 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.