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3487 - 2.75 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 7 coils and Closed ends. This spring features an O.D. of 1.156 Inch, and an I.D. of 1.026 Inch.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3487
Ends Closed
Finish Zinc
Free Length 2.75 in
Inside Diameter 1.026 in
Material Spring Steel
Outside Diameter 1.156 in
Part Type Standard
Rate 4 lbs/in
SKU 3487CS
Solid Length 0.52 in
Suggested Max Deflection 2.2 in
Suggested Max Load 8.7 lbf
Total Coils 7
Wire Diameter 0.065 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3487
Ends Closed
Finish Zinc
Free Length 69.85 mm
Inside Diameter 26.06 mm
Material Spring Steel
Outside Diameter 29.36 mm
Part Type Standard
Rate 0.7 N/mm
SKU 3487CS
Solid Length 13.21 mm
Suggested Max Deflection 55.88 mm
Suggested Max Load 38.7 N
Total Coils 7
Wire Diameter 1.65 mm
The compression spring 3487CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality hard drawn, the 3487 compression spring design exhibits exceptional tensile strength and resilience.

The 3487 design is manufactured with a free length of 2.75", with an outer diameter of 1.156", an inner diameter of 1.026", and a total of 7 coils, expertly designed to deliver consistent compression characteristics including a rate of 4 lbs/in.

The 3487CS 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 3487 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.