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Century Spring

S-1403CS - 0.75" 302/304 Stainless Steel Compression Spring

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Compression spring manufactured from 302/304 stainless steel with 3.9 coils and closed & ground ends. This spring features an O.D. of 0.656", and an I.D. of 0.532".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-1403
Ends Closed & Ground
Finish None
Free Length 0.75 in
Inside Diameter 0.532 in
Material 302/304 Stainless Steel
Outside Diameter 0.656 in
Part Type Standard
Rate 44 lbs/in
SKU S-1403CS
Solid Length 0.241 in
Suggested Max Deflection 0.284 in
Suggested Max Load 12.5 lbf
Total Coils 3.9
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-1403
Ends Closed & Ground
Finish None
Free Length 19.05 mm
Inside Diameter 13.51 mm
Material 302/304 Stainless Steel
Outside Diameter 16.66 mm
Part Type Standard
Rate 7.7 N/mm
SKU S-1403CS
Solid Length 6.12 mm
Suggested Max Deflection 7.21 mm
Suggested Max Load 55.6 N
Total Coils 3.9
Wire Diameter 1.59 mm
The S-1403 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-1403CS compression spring is designed with a free length of 1.5" total of 6 coils, and a rate of 318 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-1403 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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