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73418CS - 8" Oil Tempered Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from oil tempered with 9.25 coils and closed & ground ends. This spring features an O.D. of 3.656", and an I.D. of 2.47".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73418
Ends Closed & Ground
Finish None
Free Length 8 in
Inside Diameter 2.47 in
Material Oil Tempered
Outside Diameter 3.656 in
Part Type Standard
Rate 853 lbs/in
SKU 73418CS
Solid Length 5.49 in
Suggested Max Deflection 1.6 in
Suggested Max Load 1389 lbf
Total Coils 9.25
Wire Diameter 0.593 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73418
Ends Closed & Ground
Finish None
Free Length 203.2 mm
Inside Diameter 62.74 mm
Material Oil Tempered
Outside Diameter 92.86 mm
Part Type Standard
Rate 149.36 N/mm
SKU 73418CS
Solid Length 139.45 mm
Suggested Max Deflection 40.64 mm
Suggested Max Load 6178.27 N
Total Coils 9.25
Wire Diameter 15.06 mm
The 73418CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.593" diameter oil tempered, the 73418 spring design exhibits reliable strength across its 9.25 active coils, withstanding repeated compression cycles with a maximum load of 1389 lbf without succumbing to fatigue.

We manufacture the 73418 design to provide a compression spring that is 8" long at rest and provides a consistent rate of 853 lbs/in along its recommended maximum of 1.6" deflection. For best results, your application should fully accommodate the inner (2.47") and outer (3.656") diameters of this spring and be designed for its closed & ground end configuration.