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Century Spring

S-3139CS - 4.25" 302/304 Stainless Steel Compression Spring

Inventory Status
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Compression spring manufactured from 302/304 stainless steel with 7.25 coils and closed ends. This spring features an O.D. of 1.875", and an I.D. of 1.605".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-3139
Ends Closed
Finish None
Free Length 4.25 in
Inside Diameter 1.605 in
Material 302/304 Stainless Steel
Outside Diameter 1.875 in
Part Type Standard
Rate 15 lbs/in
SKU S-3139CS
Solid Length 1.11 in
Suggested Max Deflection 2.5 in
Suggested Max Load 37 lbf
Total Coils 7.25
Wire Diameter 0.135 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-3139
Ends Closed
Finish None
Free Length 107.95 mm
Inside Diameter 40.77 mm
Material 302/304 Stainless Steel
Outside Diameter 47.63 mm
Part Type Standard
Rate 2.63 N/mm
SKU S-3139CS
Solid Length 28.19 mm
Suggested Max Deflection 63.5 mm
Suggested Max Load 164.58 N
Total Coils 7.25
Wire Diameter 3.43 mm
The S-3139 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-3139CS compression spring is designed with a free length of 2.25" total of 10 coils, and a rate of 8.2 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-3139 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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