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3860CS - 3.75" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 16 coils and closed & ground ends. This spring features an O.D. of 0.875", and an I.D. of 0.651".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3860
Ends Closed & Ground
Finish Gold Iridite
Free Length 3.75 in
Inside Diameter 0.651 in
Material Spring Steel
Outside Diameter 0.875 in
Part Type Standard
Rate 36 lbs/in
SKU 3860CS
Solid Length 1.79 in
Suggested Max Deflection 1.4 in
Suggested Max Load 50 lbf
Total Coils 16
Wire Diameter 0.112 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3860
Ends Closed & Ground
Finish Gold Iridite
Free Length 95.25 mm
Inside Diameter 16.54 mm
Material Spring Steel
Outside Diameter 22.23 mm
Part Type Standard
Rate 6.3 N/mm
SKU 3860CS
Solid Length 45.47 mm
Suggested Max Deflection 35.56 mm
Suggested Max Load 222.4 N
Total Coils 16
Wire Diameter 2.84 mm
The 3860 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 3860CS compression spring is designed with a free length of 11.5" total of 18 coils, and a rate of 12 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 3860 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.