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73163CS - 4.5" Oil Tempered Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from oil tempered with 7.25 coils and closed & ground ends. This spring features an O.D. of 2.687", and an I.D. of 1.813".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73163
Ends Closed & Ground
Finish None
Free Length 4.5 in
Inside Diameter 1.813 in
Material Oil Tempered
Outside Diameter 2.687 in
Part Type Standard
Rate 877 lbs/in
SKU 73163CS
Solid Length 3.17 in
Suggested Max Deflection 0.93 in
Suggested Max Load 812 lbf
Total Coils 7.25
Wire Diameter 0.437 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73163
Ends Closed & Ground
Finish None
Free Length 114.3 mm
Inside Diameter 46.05 mm
Material Oil Tempered
Outside Diameter 68.25 mm
Part Type Standard
Rate 153.56 N/mm
SKU 73163CS
Solid Length 80.52 mm
Suggested Max Deflection 23.62 mm
Suggested Max Load 3611.78 N
Total Coils 7.25
Wire Diameter 11.1 mm
The 73163CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.437" diameter oil tempered, the 73163 spring design exhibits reliable strength across its 7.25 active coils, withstanding repeated compression cycles with a maximum load of 812 lbf without succumbing to fatigue.

We manufacture the 73163 design to provide a compression spring that is 4.5" long at rest and provides a consistent rate of 877 lbs/in along its recommended maximum of 0.93" deflection. For best results, your application should fully accommodate the inner (1.813") and outer (2.687") diameters of this spring and be designed for its closed & ground end configuration.