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73540CS - 12" Oil Tempered Compression Spring

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Compression spring manufactured from oil tempered with 11 coils and closed & ground ends. This spring features an O.D. of 4.406", and an I.D. of 3.532".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73540
Ends Closed & Ground
Finish None
Free Length 12 in
Inside Diameter 3.532 in
Material Oil Tempered
Outside Diameter 4.406 in
Part Type Standard
Rate 93 lbs/in
SKU 73540CS
Solid Length 4.81 in
Suggested Max Deflection 5.5 in
Suggested Max Load 515 lbf
Total Coils 11
Wire Diameter 0.437 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73540
Ends Closed & Ground
Finish None
Free Length 304.8 mm
Inside Diameter 89.71 mm
Material Oil Tempered
Outside Diameter 111.91 mm
Part Type Standard
Rate 16.28 N/mm
SKU 73540CS
Solid Length 122.17 mm
Suggested Max Deflection 139.7 mm
Suggested Max Load 2290.72 N
Total Coils 11
Wire Diameter 11.1 mm
The 73540 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality oil tempered 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 73540CS compression spring is designed with a free length of 10" total of 9.49 coils, and a rate of 112 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 73540 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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