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Century Spring

73439CS - 14" Oil Tempered Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from oil tempered with 14.3 coils and closed & ground ends. This spring features an O.D. of 3.906", and an I.D. of 3.094".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73439
Ends Closed & Ground
Finish None
Free Length 14 in
Inside Diameter 3.094 in
Material Oil Tempered
Outside Diameter 3.906 in
Part Type Standard
Rate 74 lbs/in
SKU 73439CS
Solid Length 5.81 in
Suggested Max Deflection 6.4 in
Suggested Max Load 477 lbf
Total Coils 14.3
Wire Diameter 0.406 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73439
Ends Closed & Ground
Finish None
Free Length 355.6 mm
Inside Diameter 78.59 mm
Material Oil Tempered
Outside Diameter 99.21 mm
Part Type Standard
Rate 12.96 N/mm
SKU 73439CS
Solid Length 147.57 mm
Suggested Max Deflection 162.56 mm
Suggested Max Load 2121.7 N
Total Coils 14.3
Wire Diameter 10.31 mm
The 73439CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.406" diameter oil tempered, the 73439 spring design exhibits reliable strength across its 14.3 active coils, withstanding repeated compression cycles with a maximum load of 477 lbf without succumbing to fatigue.

We manufacture the 73439 design to provide a compression spring that is 14" long at rest and provides a consistent rate of 74 lbs/in along its recommended maximum of 6.4" deflection. For best results, your application should fully accommodate the inner (3.094") and outer (3.906") diameters of this spring and be designed for its closed & ground end configuration.

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