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Century Spring

73646CS - 8" Oil Tempered Compression Spring

Inventory Status
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Compression spring manufactured from oil tempered with 7.25 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 73646
Ends Closed & Ground
Finish None
Free Length 8 in
Inside Diameter 3.844 in
Material Oil Tempered
Outside Diameter 4.906 in
Part Type Standard
Rate 260 lbs/in
SKU 73646CS
Solid Length 3.85 in
Suggested Max Deflection 3.1 in
Suggested Max Load 796 lbf
Total Coils 7.25
Wire Diameter 0.531 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73646
Ends Closed & Ground
Finish None
Free Length 203.2 mm
Inside Diameter 97.64 mm
Material Oil Tempered
Outside Diameter 124.61 mm
Part Type Standard
Rate 45.53 N/mm
SKU 73646CS
Solid Length 97.79 mm
Suggested Max Deflection 78.74 mm
Suggested Max Load 3540.61 N
Total Coils 7.25
Wire Diameter 13.49 mm
The 73646CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.531" diameter oil tempered, the 73646 spring design exhibits reliable strength across its 7.25 active coils, withstanding repeated compression cycles with a maximum load of 796 lbf without succumbing to fatigue.

We manufacture the 73646 design to provide a compression spring that is 8" long at rest and provides a consistent rate of 260 lbs/in along its recommended maximum of 3.1" deflection. For best results, your application should fully accommodate the inner (3.844") and outer (4.906") diameters of this spring and be designed for its closed & ground end configuration.

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