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Century Spring

S-1311CS - 1.5" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 7.5 coils and closed & ground ends. This spring features an O.D. of 0.609", and an I.D. of 0.501".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-1311
Ends Closed & Ground
Finish None
Free Length 1.5 in
Inside Diameter 0.501 in
Material 302/304 Stainless Steel
Outside Diameter 0.609 in
Part Type Standard
Rate 11 lbs/in
SKU S-1311CS
Solid Length 0.41 in
Suggested Max Deflection 0.78 in
Suggested Max Load 8.8 lbf
Total Coils 7.5
Wire Diameter 0.054 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-1311
Ends Closed & Ground
Finish None
Free Length 38.1 mm
Inside Diameter 12.73 mm
Material 302/304 Stainless Steel
Outside Diameter 15.47 mm
Part Type Standard
Rate 1.93 N/mm
SKU S-1311CS
Solid Length 10.41 mm
Suggested Max Deflection 19.81 mm
Suggested Max Load 39.14 N
Total Coils 7.5
Wire Diameter 1.37 mm
The S-1311 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-1311CS compression spring is designed with a free length of 1" total of 4 coils, and a rate of 79 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-1311 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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