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3390CS - 1.5" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 7 coils and closed & ground ends. This spring features an O.D. of 1.015", and an I.D. of 0.825".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3390
Ends Closed & Ground
Finish Zinc
Free Length 1.5 in
Inside Diameter 0.825 in
Material Spring Steel
Outside Diameter 1.015 in
Part Type Standard
Rate 30 lbs/in
SKU 3390CS
Solid Length 0.67 in
Suggested Max Deflection 0.84 in
Suggested Max Load 25 lbf
Total Coils 7
Wire Diameter 0.095 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3390
Ends Closed & Ground
Finish Zinc
Free Length 38.1 mm
Inside Diameter 20.96 mm
Material Spring Steel
Outside Diameter 25.78 mm
Part Type Standard
Rate 5.25 N/mm
SKU 3390CS
Solid Length 17.02 mm
Suggested Max Deflection 21.34 mm
Suggested Max Load 111.2 N
Total Coils 7
Wire Diameter 2.41 mm
The compression spring 3390CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the 3390 compression spring design exhibits exceptional tensile strength and resilience.

The 3390 design is manufactured with a free length of 1.5", with an outer diameter of 1.015", an inner diameter of 0.825", and a total of 7 coils, expertly designed to deliver consistent compression characteristics including a rate of 30 lbs/in.

The 3390CS 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 3390 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.