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S-429CS - 3.06" 302/304 Stainless Steel Compression Spring

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Compression spring manufactured from 302/304 stainless steel with 11.5 coils and closed & ground ends. This spring features an O.D. of 0.968", and an I.D. of 0.78".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-429
Ends Closed & Ground
Finish None
Free Length 3.06 in
Inside Diameter 0.78 in
Material 302/304 Stainless Steel
Outside Diameter 0.968 in
Part Type Standard
Rate 15 lbs/in
SKU S-429CS
Solid Length 1.08 in
Suggested Max Deflection 1.7 in
Suggested Max Load 26 lbf
Total Coils 11.5
Wire Diameter 0.094 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-429
Ends Closed & Ground
Finish None
Free Length 77.72 mm
Inside Diameter 19.81 mm
Material 302/304 Stainless Steel
Outside Diameter 24.59 mm
Part Type Standard
Rate 2.63 N/mm
SKU S-429CS
Solid Length 27.43 mm
Suggested Max Deflection 43.18 mm
Suggested Max Load 115.65 N
Total Coils 11.5
Wire Diameter 2.39 mm
The S-429 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality 302/304 stainless steel and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The S-429CS compression spring is designed with a free length of 1.56" total of 7.5 coils, and a rate of 6.1 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The S-429 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.

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