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3820CS - 1.5" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 11.5 coils and closed & ground ends. This spring features an O.D. of 0.375", and an I.D. of 0.299".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3820
Ends Closed & Ground
Finish Zinc
Free Length 1.5 in
Inside Diameter 0.299 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 8.2 lbs/in
SKU 3820CS
Solid Length 0.44 in
Suggested Max Deflection 0.68 in
Suggested Max Load 5.6 lbf
Total Coils 11.5
Wire Diameter 0.038 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3820
Ends Closed & Ground
Finish Zinc
Free Length 38.1 mm
Inside Diameter 7.59 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 1.44 N/mm
SKU 3820CS
Solid Length 11.18 mm
Suggested Max Deflection 17.27 mm
Suggested Max Load 24.91 N
Total Coils 11.5
Wire Diameter 0.97 mm
The compression spring 3820CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the 3820 compression spring design exhibits exceptional tensile strength and resilience.

The 3820 design is manufactured with a free length of 1.5", with an outer diameter of 0.375", an inner diameter of 0.299", and a total of 11.5 coils, expertly designed to deliver consistent compression characteristics including a rate of 8.2 lbs/in.

The 3820CS compression spring is ideally suited for use in a wide range of mechanical assemblies, including but not limited to automotive suspension systems, industrial machinery, and electronic devices.

In summary, the compression spring 3820 design stands out for its superior material properties, thoughtful design, and versatility in application. It is a prime choice for engineers committed to excellence and innovation in their projects.