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Compression spring manufactured from music wire with 4 coils and closed & ground ends. This spring features an O.D. of 0.328", and an I.D. of 0.268".
NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.


Label | Value |
---|---|
Brand | Century Spring |
Display Name | II-31 |
Ends | Closed & Ground |
Finish | Zinc |
Free Length | 0.44 in |
Inside Diameter | 0.268 in |
Material | Music Wire |
Outside Diameter | 0.328 in |
Part Type | Standard |
Rate | 22 lbs/in |
SKU | II-31CS |
Solid Length | 0.12 in |
Suggested Max Deflection | 0.21 in |
Suggested Max Load | 4.6 lbf |
Total Coils | 4 |
Wire Diameter | 0.03 in |
Label | Value |
---|---|
Brand | Century Spring |
Display Name | II-31 |
Ends | Closed & Ground |
Finish | Zinc |
Free Length | 11.18 mm |
Inside Diameter | 6.81 mm |
Material | Music Wire |
Outside Diameter | 8.33 mm |
Part Type | Standard |
Rate | 3.85 N/mm |
SKU | II-31CS |
Solid Length | 3.05 mm |
Suggested Max Deflection | 5.33 mm |
Suggested Max Load | 20.46 N |
Total Coils | 4 |
Wire Diameter | 0.76 mm |
The compression spring II-31CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality music wire, the II-31 compression spring design exhibits exceptional tensile strength and resilience.
The II-31 design is manufactured with a free length of 0.44", with an outer diameter of 0.328", an inner diameter of 0.268", and a total of 4 coils, expertly designed to deliver consistent compression characteristics including a rate of 22 lbs/in.
The II-31CS 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 II-31 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.
The II-31 design is manufactured with a free length of 0.44", with an outer diameter of 0.328", an inner diameter of 0.268", and a total of 4 coils, expertly designed to deliver consistent compression characteristics including a rate of 22 lbs/in.
The II-31CS 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 II-31 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.