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Century Spring

S-1261CS - 1.25" 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 ends. This spring features an O.D. of 1.359", and an I.D. of 1.253".

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-1261
Ends Closed
Finish None
Free Length 1.25 in
Inside Diameter 1.253 in
Material 302/304 Stainless Steel
Outside Diameter 1.359 in
Part Type Standard
Rate 2.5 lbs/in
SKU S-1261CS
Solid Length 0.25 in
Suggested Max Deflection 1 in
Suggested Max Load 2.5 lbf
Total Coils 3.75
Wire Diameter 0.053 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-1261
Ends Closed
Finish None
Free Length 31.75 mm
Inside Diameter 31.83 mm
Material 302/304 Stainless Steel
Outside Diameter 34.52 mm
Part Type Standard
Rate 0.44 N/mm
SKU S-1261CS
Solid Length 6.35 mm
Suggested Max Deflection 25.4 mm
Suggested Max Load 11.12 N
Total Coils 3.75
Wire Diameter 1.35 mm
The compression spring S-1261CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the S-1261 compression spring design exhibits exceptional tensile strength and resilience.

The S-1261 design is manufactured with a free length of 1.25", with an outer diameter of 1.359", an inner diameter of 1.253", and a total of 3.75 coils, expertly designed to deliver consistent compression characteristics including a rate of 2.5 lbs/in.

The S-1261CS 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-1261 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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