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Century Spring

73645CS - 6" Oil Tempered Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from oil tempered with 5.75 coils and closed & ground ends. This spring features an O.D. of 4.906", and an I.D. of 3.844".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73645
Ends Closed & Ground
Finish None
Free Length 6 in
Inside Diameter 3.844 in
Material Oil Tempered
Outside Diameter 4.906 in
Part Type Standard
Rate 364 lbs/in
SKU 73645CS
Solid Length 3.05 in
Suggested Max Deflection 2.2 in
Suggested Max Load 796 lbf
Total Coils 5.75
Wire Diameter 0.531 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73645
Ends Closed & Ground
Finish None
Free Length 152.4 mm
Inside Diameter 97.64 mm
Material Oil Tempered
Outside Diameter 124.61 mm
Part Type Standard
Rate 63.74 N/mm
SKU 73645CS
Solid Length 77.47 mm
Suggested Max Deflection 55.88 mm
Suggested Max Load 3540.61 N
Total Coils 5.75
Wire Diameter 13.49 mm
The 73645 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 73645CS compression spring is designed with a free length of 16" total of 13.3 coils, and a rate of 93 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 73645 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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