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Century Spring

S-1045CS - 1.13" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 4 coils and closed & ground ends. This spring features an O.D. of 1.203", and an I.D. of 0.963".

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-1045
Ends Closed & Ground
Finish None
Free Length 1.13 in
Inside Diameter 0.963 in
Material 302/304 Stainless Steel
Outside Diameter 1.203 in
Part Type Standard
Rate 117 lbs/in
SKU S-1045CS
Solid Length 0.45 in
Suggested Max Deflection 0.36 in
Suggested Max Load 42 lbf
Total Coils 4
Wire Diameter 0.12 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-1045
Ends Closed & Ground
Finish None
Free Length 28.7 mm
Inside Diameter 24.46 mm
Material 302/304 Stainless Steel
Outside Diameter 30.56 mm
Part Type Standard
Rate 20.49 N/mm
SKU S-1045CS
Solid Length 11.43 mm
Suggested Max Deflection 9.14 mm
Suggested Max Load 186.82 N
Total Coils 4
Wire Diameter 3.05 mm
The S-1045 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-1045CS compression spring is designed with a free length of 0.63" total of 6.3 coils, and a rate of 57 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-1045 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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