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Century Spring

73643CS - 14" Oil Tempered Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from oil tempered with 11.7 coils and closed & ground ends. This spring features an O.D. of 4.906", and an I.D. of 3.906".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73643
Ends Closed & Ground
Finish None
Free Length 14 in
Inside Diameter 3.906 in
Material Oil Tempered
Outside Diameter 4.906 in
Part Type Standard
Rate 108 lbs/in
SKU 73643CS
Solid Length 5.86 in
Suggested Max Deflection 6.2 in
Suggested Max Load 667 lbf
Total Coils 11.7
Wire Diameter 0.5 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73643
Ends Closed & Ground
Finish None
Free Length 355.6 mm
Inside Diameter 99.21 mm
Material Oil Tempered
Outside Diameter 124.61 mm
Part Type Standard
Rate 18.91 N/mm
SKU 73643CS
Solid Length 148.84 mm
Suggested Max Deflection 157.48 mm
Suggested Max Load 2966.82 N
Total Coils 11.7
Wire Diameter 12.7 mm
The 73643CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.5" diameter oil tempered, the 73643 spring design exhibits reliable strength across its 11.7 active coils, withstanding repeated compression cycles with a maximum load of 667 lbf without succumbing to fatigue.

We manufacture the 73643 design to provide a compression spring that is 14" long at rest and provides a consistent rate of 108 lbs/in along its recommended maximum of 6.2" deflection. For best results, your application should fully accommodate the inner (3.906") and outer (4.906") diameters of this spring and be designed for its closed & ground end configuration.

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