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3299CS - 1.53" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 4 coils and closed & ground ends. This spring features an O.D. of 1.453", and an I.D. of 1.227".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3299
Ends Closed & Ground
Finish Zinc
Free Length 1.53 in
Inside Diameter 1.227 in
Material Spring Steel
Outside Diameter 1.453 in
Part Type Standard
Rate 49 lbs/in
SKU 3299CS
Solid Length 0.45 in
Suggested Max Deflection 0.65 in
Suggested Max Load 32 lbf
Total Coils 4
Wire Diameter 0.113 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3299
Ends Closed & Ground
Finish Zinc
Free Length 38.86 mm
Inside Diameter 31.17 mm
Material Spring Steel
Outside Diameter 36.91 mm
Part Type Standard
Rate 8.58 N/mm
SKU 3299CS
Solid Length 11.43 mm
Suggested Max Deflection 16.51 mm
Suggested Max Load 142.34 N
Total Coils 4
Wire Diameter 2.87 mm
The compression spring 3299CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the 3299 compression spring design exhibits exceptional tensile strength and resilience.

The 3299 design is manufactured with a free length of 1.53", with an outer diameter of 1.453", an inner diameter of 1.227", and a total of 4 coils, expertly designed to deliver consistent compression characteristics including a rate of 49 lbs/in.

The 3299CS 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 3299 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.