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Century Spring

73666CS - 12" Oil Tempered Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from oil tempered with 10.5 coils and closed & ground ends. This spring features an O.D. of 4.906", and an I.D. of 3.656".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73666
Ends Closed & Ground
Finish None
Free Length 12 in
Inside Diameter 3.656 in
Material Oil Tempered
Outside Diameter 4.906 in
Part Type Standard
Rate 329 lbs/in
SKU 73666CS
Solid Length 6.56 in
Suggested Max Deflection 3.8 in
Suggested Max Load 1241 lbf
Total Coils 10.5
Wire Diameter 0.625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73666
Ends Closed & Ground
Finish None
Free Length 304.8 mm
Inside Diameter 92.86 mm
Material Oil Tempered
Outside Diameter 124.61 mm
Part Type Standard
Rate 57.61 N/mm
SKU 73666CS
Solid Length 166.62 mm
Suggested Max Deflection 96.52 mm
Suggested Max Load 5519.97 N
Total Coils 10.5
Wire Diameter 15.88 mm
The 73666 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 73666CS compression spring is designed with a free length of 10" total of 9.01 coils, and a rate of 399 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 73666 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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