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Century Spring

73CS - 2.5" Spring Steel Compression Spring

Inventory Status
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Compression spring manufactured from spring steel with 7.25 coils and closed & ground ends. This spring features an O.D. of 1.375", and an I.D. of 1.105".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73
Ends Closed & Ground
Finish Zinc
Free Length 2.5 in
Inside Diameter 1.105 in
Material Spring Steel
Outside Diameter 1.375 in
Part Type Standard
Rate 48 lbs/in
SKU 73CS
Solid Length 0.98 in
Suggested Max Deflection 1.2 in
Suggested Max Load 55 lbf
Total Coils 7.25
Wire Diameter 0.135 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73
Ends Closed & Ground
Finish Zinc
Free Length 63.5 mm
Inside Diameter 28.07 mm
Material Spring Steel
Outside Diameter 34.93 mm
Part Type Standard
Rate 8.4 N/mm
SKU 73CS
Solid Length 24.89 mm
Suggested Max Deflection 30.48 mm
Suggested Max Load 244.64 N
Total Coils 7.25
Wire Diameter 3.43 mm
The 73 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 73CS compression spring is designed with a free length of 16" total of 13.7 coils, and a rate of 238 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 73 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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