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Century Spring

S-1399CS - 1.38" 302/304 Stainless Steel Compression Spring

Inventory Status
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Compression spring manufactured from 302/304 stainless steel with 7 coils and closed ends. This spring features an O.D. of 0.5", and an I.D. of 0.426".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-1399
Ends Closed
Finish None
Free Length 1.38 in
Inside Diameter 0.426 in
Material 302/304 Stainless Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 4.7 lbs/in
SKU S-1399CS
Solid Length 0.26 in
Suggested Max Deflection 0.78 in
Suggested Max Load 3.7 lbf
Total Coils 7
Wire Diameter 0.037 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-1399
Ends Closed
Finish None
Free Length 35.05 mm
Inside Diameter 10.82 mm
Material 302/304 Stainless Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.82 N/mm
SKU S-1399CS
Solid Length 6.6 mm
Suggested Max Deflection 19.81 mm
Suggested Max Load 16.46 N
Total Coils 7
Wire Diameter 0.94 mm
The S-1399 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-1399CS compression spring is designed with a free length of 0.56" total of 4.25 coils, and a rate of 681 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-1399 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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