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11503CS - 2.75" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 10 coils and closed & ground ends. This spring features an O.D. of 1.266", and an I.D. of 0.85".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 11503
Ends Closed & Ground
Finish Zinc
Free Length 2.75 in
Inside Diameter 0.85 in
Material Spring Steel
Outside Diameter 1.266 in
Part Type Standard
Rate 284 lbs/in
SKU 11503CS
Solid Length 2.29 in
Suggested Max Deflection 0.46 in
Suggested Max Load 131 lbf
Total Coils 10
Wire Diameter 0.208 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 11503
Ends Closed & Ground
Finish Zinc
Free Length 69.85 mm
Inside Diameter 21.59 mm
Material Spring Steel
Outside Diameter 32.16 mm
Part Type Standard
Rate 49.73 N/mm
SKU 11503CS
Solid Length 58.17 mm
Suggested Max Deflection 11.68 mm
Suggested Max Load 582.69 N
Total Coils 10
Wire Diameter 5.28 mm
The 11503 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality spring 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 11503CS compression spring is designed with a free length of 2" total of 5.5 coils, and a rate of 746 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The 11503 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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