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Century Spring

I-72CS - 0.38" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 4 coils and closed & ground ends. This spring features an O.D. of 0.281", and an I.D. of 0.131".

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 I-72
Ends Closed & Ground
Finish None
Free Length 0.38 in
Inside Diameter 0.131 in
Material Spring Steel
Outside Diameter 0.281 in
Part Type Standard
Rate 2601 lbs/in
SKU I-72CS
Solid Length 0.3 in
Suggested Max Deflection 0.02 in
Suggested Max Load 44 lbf
Total Coils 4
Wire Diameter 0.075 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name I-72
Ends Closed & Ground
Finish None
Free Length 9.65 mm
Inside Diameter 3.33 mm
Material Spring Steel
Outside Diameter 7.14 mm
Part Type Standard
Rate 455.44 N/mm
SKU I-72CS
Solid Length 7.62 mm
Suggested Max Deflection 0.51 mm
Suggested Max Load 195.71 N
Total Coils 4
Wire Diameter 1.91 mm
The compression spring I-72CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the I-72 compression spring design exhibits exceptional tensile strength and resilience.

The I-72 design is manufactured with a free length of 0.38", with an outer diameter of 0.281", an inner diameter of 0.131", and a total of 4 coils, expertly designed to deliver consistent compression characteristics including a rate of 2601 lbs/in.

The I-72CS 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 I-72 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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