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Century Spring

73156CS - 4.5" Oil Tempered Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from oil tempered with 7.25 coils and closed & ground ends. This spring features an O.D. of 2.687", and an I.D. of 1.875".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73156
Ends Closed & Ground
Finish None
Free Length 4.5 in
Inside Diameter 1.875 in
Material Oil Tempered
Outside Diameter 2.687 in
Part Type Standard
Rate 627 lbs/in
SKU 73156CS
Solid Length 2.94 in
Suggested Max Deflection 1.1 in
Suggested Max Load 673 lbf
Total Coils 7.25
Wire Diameter 0.406 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73156
Ends Closed & Ground
Finish None
Free Length 114.3 mm
Inside Diameter 47.63 mm
Material Oil Tempered
Outside Diameter 68.25 mm
Part Type Standard
Rate 109.79 N/mm
SKU 73156CS
Solid Length 74.68 mm
Suggested Max Deflection 27.94 mm
Suggested Max Load 2993.5 N
Total Coils 7.25
Wire Diameter 10.31 mm
The 73156 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 73156CS compression spring is designed with a free length of 10" total of 14.9 coils, and a rate of 220 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 73156 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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