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Century Spring

S-1689CS - 0.64" 302/304 Stainless Steel Compression Spring

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Compression spring manufactured from 302/304 stainless steel with 4 coils and closed ends. This spring features an O.D. of 0.375", and an I.D. of 0.325".

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 S-1689
Ends Closed
Finish None
Free Length 0.64 in
Inside Diameter 0.325 in
Material 302/304 Stainless Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 5.7 lbs/in
SKU S-1689CS
Solid Length 0.13 in
Suggested Max Deflection 0.28 in
Suggested Max Load 1.6 lbf
Total Coils 4
Wire Diameter 0.025 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-1689
Ends Closed
Finish None
Free Length 16.26 mm
Inside Diameter 8.26 mm
Material 302/304 Stainless Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 1 N/mm
SKU S-1689CS
Solid Length 3.3 mm
Suggested Max Deflection 7.11 mm
Suggested Max Load 7.12 N
Total Coils 4
Wire Diameter 0.64 mm
The compression spring S-1689CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the S-1689 compression spring design exhibits exceptional tensile strength and resilience.

The S-1689 design is manufactured with a free length of 0.64", with an outer diameter of 0.375", an inner diameter of 0.325", and a total of 4 coils, expertly designed to deliver consistent compression characteristics including a rate of 5.7 lbs/in.

The S-1689CS 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 S-1689 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.

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