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Century Spring

3880 - 0.75 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Regular compression spring in Spring Steel with 4 total coils and Closed ends. This spring features an O.D. of 0.703 Inch, and an I.D. of 0.578 Inch.

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

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3880
Ends Closed
Finish Zinc
Free Length 0.75 in
Inside Diameter 0.578 in
Material Spring Steel
Outside Diameter 0.703 in
Part Type Standard
Rate 40 lbs/in
SKU 3880CS
Solid Length 0.31 in
Suggested Max Deflection 0.3 in
Suggested Max Load 12 lbf
Total Coils 4
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3880
Ends Closed
Finish Zinc
Free Length 19.05 mm
Inside Diameter 14.68 mm
Material Spring Steel
Outside Diameter 17.86 mm
Part Type Standard
Rate 7 N/mm
SKU 3880CS
Solid Length 7.87 mm
Suggested Max Deflection 7.62 mm
Suggested Max Load 53.38 N
Total Coils 4
Wire Diameter 1.59 mm
The 3880 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality hard drawn 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 3880CS compression spring is designed with a free length of 2.25" total of 12 coils, and a rate of 103 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The 3880 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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