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Century Spring

73406CS - 8" Oil Tempered Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from oil tempered with 9.4 coils and closed & ground ends. This spring features an O.D. of 3.656", and an I.D. of 2.594".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73406
Ends Closed & Ground
Finish None
Free Length 8 in
Inside Diameter 2.594 in
Material Oil Tempered
Outside Diameter 3.656 in
Part Type Standard
Rate 506 lbs/in
SKU 73406CS
Solid Length 4.99 in
Suggested Max Deflection 2.1 in
Suggested Max Load 1043 lbf
Total Coils 9.4
Wire Diameter 0.531 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73406
Ends Closed & Ground
Finish None
Free Length 203.2 mm
Inside Diameter 65.89 mm
Material Oil Tempered
Outside Diameter 92.86 mm
Part Type Standard
Rate 88.6 N/mm
SKU 73406CS
Solid Length 126.75 mm
Suggested Max Deflection 53.34 mm
Suggested Max Load 4639.26 N
Total Coils 9.4
Wire Diameter 13.49 mm
The 73406CS 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 73406 spring design exhibits reliable strength across its 9.4 active coils, withstanding repeated compression cycles with a maximum load of 1043 lbf without succumbing to fatigue.

We manufacture the 73406 design to provide a compression spring that is 8" long at rest and provides a consistent rate of 506 lbs/in along its recommended maximum of 2.1" deflection. For best results, your application should fully accommodate the inner (2.594") and outer (3.656") diameters of this spring and be designed for its closed & ground end configuration.

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