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Century Spring

NN-50CS - 0.31" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 4 coils and closed & ground ends. This spring features an O.D. of 0.328", and an I.D. of 0.204".

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

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name NN-50
Ends Closed & Ground
Finish None
Free Length 0.31 in
Inside Diameter 0.204 in
Material 302/304 Stainless Steel
Outside Diameter 0.328 in
Part Type Standard
Rate 491 lbs/in
SKU NN-50CS
Solid Length 0.255 in
Suggested Max Deflection 0.048 in
Suggested Max Load 23 lbf
Total Coils 4
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name NN-50
Ends Closed & Ground
Finish None
Free Length 7.87 mm
Inside Diameter 5.18 mm
Material 302/304 Stainless Steel
Outside Diameter 8.33 mm
Part Type Standard
Rate 85.97 N/mm
SKU NN-50CS
Solid Length 6.48 mm
Suggested Max Deflection 1.22 mm
Suggested Max Load 102.3 N
Total Coils 4
Wire Diameter 1.59 mm
The NN-50 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality 302/304 stainless steel and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The NN-50CS compression spring is designed with a free length of 0.5" total of 4.5 coils, and a rate of 39 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The NN-50 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.

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