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Century Spring

FF-12CS - 0.34" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 3.75 coils and closed & ground ends. This spring features an O.D. of 0.39", and an I.D. of 0.29".

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 FF-12
Ends Closed & Ground
Finish None
Free Length 0.34 in
Inside Diameter 0.29 in
Material 302/304 Stainless Steel
Outside Diameter 0.39 in
Part Type Standard
Rate 114 lbs/in
SKU FF-12CS
Solid Length 0.19 in
Suggested Max Deflection 0.09 in
Suggested Max Load 11 lbf
Total Coils 3.75
Wire Diameter 0.05 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name FF-12
Ends Closed & Ground
Finish None
Free Length 8.64 mm
Inside Diameter 7.37 mm
Material 302/304 Stainless Steel
Outside Diameter 9.91 mm
Part Type Standard
Rate 19.96 N/mm
SKU FF-12CS
Solid Length 4.83 mm
Suggested Max Deflection 2.29 mm
Suggested Max Load 48.93 N
Total Coils 3.75
Wire Diameter 1.27 mm
The compression spring FF-12CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the FF-12 compression spring design exhibits exceptional tensile strength and resilience.

The FF-12 design is manufactured with a free length of 0.34", with an outer diameter of 0.39", an inner diameter of 0.29", and a total of 3.75 coils, expertly designed to deliver consistent compression characteristics including a rate of 114 lbs/in.

The FF-12CS 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 FF-12 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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