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Century Spring

73306CS - 12" Oil Tempered Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from oil tempered with 14.3 coils and closed & ground ends. This spring features an O.D. of 3.406", and an I.D. of 2.682".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73306
Ends Closed & Ground
Finish None
Free Length 12 in
Inside Diameter 2.682 in
Material Oil Tempered
Outside Diameter 3.406 in
Part Type Standard
Rate 71 lbs/in
SKU 73306CS
Solid Length 5.19 in
Suggested Max Deflection 5.6 in
Suggested Max Load 396 lbf
Total Coils 14.3
Wire Diameter 0.362 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73306
Ends Closed & Ground
Finish None
Free Length 304.8 mm
Inside Diameter 68.12 mm
Material Oil Tempered
Outside Diameter 86.51 mm
Part Type Standard
Rate 12.43 N/mm
SKU 73306CS
Solid Length 131.83 mm
Suggested Max Deflection 142.24 mm
Suggested Max Load 1761.41 N
Total Coils 14.3
Wire Diameter 9.19 mm
The 73306 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 73306CS compression spring is designed with a free length of 10" total of 12.3 coils, and a rate of 85 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 73306 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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