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73664CS - 8" Oil Tempered Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from oil tempered with 7.38 coils and closed & ground ends. This spring features an O.D. of 4.906", and an I.D. of 3.656".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73664
Ends Closed & Ground
Finish None
Free Length 8 in
Inside Diameter 3.656 in
Material Oil Tempered
Outside Diameter 4.906 in
Part Type Standard
Rate 520 lbs/in
SKU 73664CS
Solid Length 4.61 in
Suggested Max Deflection 2.4 in
Suggested Max Load 1241 lbf
Total Coils 7.38
Wire Diameter 0.625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73664
Ends Closed & Ground
Finish None
Free Length 203.2 mm
Inside Diameter 92.86 mm
Material Oil Tempered
Outside Diameter 124.61 mm
Part Type Standard
Rate 91.05 N/mm
SKU 73664CS
Solid Length 117.09 mm
Suggested Max Deflection 60.96 mm
Suggested Max Load 5519.97 N
Total Coils 7.38
Wire Diameter 15.88 mm
The 73664CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.625" diameter oil tempered, the 73664 spring design exhibits reliable strength across its 7.38 active coils, withstanding repeated compression cycles with a maximum load of 1241 lbf without succumbing to fatigue.

We manufacture the 73664 design to provide a compression spring that is 8" long at rest and provides a consistent rate of 520 lbs/in along its recommended maximum of 2.4" deflection. For best results, your application should fully accommodate the inner (3.656") and outer (4.906") diameters of this spring and be designed for its closed & ground end configuration.