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3689CS - 2.22" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 17 coils and closed ends. This spring features an O.D. of 0.515", and an I.D. of 0.439".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3689
Ends Closed
Finish Zinc
Free Length 2.22 in
Inside Diameter 0.439 in
Material Spring Steel
Outside Diameter 0.515 in
Part Type Standard
Rate 1.8 lbs/in
SKU 3689CS
Solid Length 0.68 in
Suggested Max Deflection 1.5 in
Suggested Max Load 2.8 lbf
Total Coils 17
Wire Diameter 0.038 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3689
Ends Closed
Finish Zinc
Free Length 56.39 mm
Inside Diameter 11.15 mm
Material Spring Steel
Outside Diameter 13.08 mm
Part Type Standard
Rate 0.32 N/mm
SKU 3689CS
Solid Length 17.27 mm
Suggested Max Deflection 38.1 mm
Suggested Max Load 12.45 N
Total Coils 17
Wire Diameter 0.97 mm
The compression spring 3689CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the 3689 compression spring design exhibits exceptional tensile strength and resilience.

The 3689 design is manufactured with a free length of 2.22", with an outer diameter of 0.515", an inner diameter of 0.439", and a total of 17 coils, expertly designed to deliver consistent compression characteristics including a rate of 1.8 lbs/in.

The 3689CS 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 3689 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.