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Century Spring

NN-53CS - 1.78" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 18 coils and closed & ground ends. This spring features an O.D. of 0.406", and an I.D. of 0.306".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name NN-53
Ends Closed & Ground
Finish Zinc
Free Length 1.78 in
Inside Diameter 0.306 in
Material Spring Steel
Outside Diameter 0.406 in
Part Type Standard
Rate 12 lbs/in
SKU NN-53CS
Solid Length 0.9 in
Suggested Max Deflection 0.88 in
Suggested Max Load 11 lbf
Total Coils 18
Wire Diameter 0.05 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name NN-53
Ends Closed & Ground
Finish Zinc
Free Length 45.21 mm
Inside Diameter 7.77 mm
Material Spring Steel
Outside Diameter 10.31 mm
Part Type Standard
Rate 2.1 N/mm
SKU NN-53CS
Solid Length 22.86 mm
Suggested Max Deflection 22.35 mm
Suggested Max Load 48.93 N
Total Coils 18
Wire Diameter 1.27 mm
The NN-53 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality spring 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-53CS compression spring is designed with a free length of 1.19" total of 6 coils, and a rate of 45 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-53 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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