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Century Spring

S-189CS - 0.41" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 3 coils and closed & ground ends. This spring features an O.D. of 0.875", and an I.D. of 0.755".

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

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-189
Ends Closed & Ground
Finish None
Free Length 0.41 in
Inside Diameter 0.755 in
Material 302/304 Stainless Steel
Outside Diameter 0.875 in
Part Type Standard
Rate 30 lbs/in
SKU S-189CS
Solid Length 0.18 in
Suggested Max Deflection 0.23 in
Suggested Max Load 6.8 lbf
Total Coils 3
Wire Diameter 0.06 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-189
Ends Closed & Ground
Finish None
Free Length 10.41 mm
Inside Diameter 19.18 mm
Material 302/304 Stainless Steel
Outside Diameter 22.23 mm
Part Type Standard
Rate 5.25 N/mm
SKU S-189CS
Solid Length 4.57 mm
Suggested Max Deflection 5.84 mm
Suggested Max Load 30.25 N
Total Coils 3
Wire Diameter 1.52 mm
The S-189 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-189CS compression spring is designed with a free length of 8.75" total of 46.8 coils, and a rate of 4.6 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-189 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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