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Century Spring

S-1220CS - 0.69" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 4 coils and closed & ground ends. This spring features an O.D. of 0.734", and an I.D. of 0.524".

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 S-1220
Ends Closed & Ground
Finish None
Free Length 0.69 in
Inside Diameter 0.524 in
Material 302/304 Stainless Steel
Outside Diameter 0.734 in
Part Type Standard
Rate 305 lbs/in
SKU S-1220CS
Solid Length 0.42 in
Suggested Max Deflection 0.15 in
Suggested Max Load 47 lbf
Total Coils 4
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-1220
Ends Closed & Ground
Finish None
Free Length 17.53 mm
Inside Diameter 13.31 mm
Material 302/304 Stainless Steel
Outside Diameter 18.64 mm
Part Type Standard
Rate 53.41 N/mm
SKU S-1220CS
Solid Length 10.67 mm
Suggested Max Deflection 3.81 mm
Suggested Max Load 209.06 N
Total Coils 4
Wire Diameter 2.67 mm
The compression spring S-1220CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the S-1220 compression spring design exhibits exceptional tensile strength and resilience.

The S-1220 design is manufactured with a free length of 0.69", with an outer diameter of 0.734", an inner diameter of 0.524", and a total of 4 coils, expertly designed to deliver consistent compression characteristics including a rate of 305 lbs/in.

The S-1220CS 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 S-1220 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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