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Century Spring

4388CS - 1.88" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 5.75 coils and closed ends. This spring features an O.D. of 1.062", and an I.D. of 0.91".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4388
Ends Closed
Finish Zinc
Free Length 1.88 in
Inside Diameter 0.91 in
Material Spring Steel
Outside Diameter 1.062 in
Part Type Standard
Rate 13 lbs/in
SKU 4388CS
Solid Length 0.51 in
Suggested Max Deflection 1.1 in
Suggested Max Load 14 lbf
Total Coils 5.75
Wire Diameter 0.076 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4388
Ends Closed
Finish Zinc
Free Length 47.75 mm
Inside Diameter 23.11 mm
Material Spring Steel
Outside Diameter 26.97 mm
Part Type Standard
Rate 2.28 N/mm
SKU 4388CS
Solid Length 12.95 mm
Suggested Max Deflection 27.94 mm
Suggested Max Load 62.27 N
Total Coils 5.75
Wire Diameter 1.93 mm
The 4388 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 4388CS compression spring is designed with a free length of 11.8" total of 25.5 coils, and a rate of 14 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 4388 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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