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Century Spring

73181CS - 8" Oil Tempered Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from oil tempered with 11.3 coils and closed & ground ends. This spring features an O.D. of 2.906", and an I.D. of 2.344".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73181
Ends Closed & Ground
Finish None
Free Length 8 in
Inside Diameter 2.344 in
Material Oil Tempered
Outside Diameter 2.906 in
Part Type Standard
Rate 53 lbs/in
SKU 73181CS
Solid Length 3.19 in
Suggested Max Deflection 4.3 in
Suggested Max Load 230 lbf
Total Coils 11.3
Wire Diameter 0.281 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73181
Ends Closed & Ground
Finish None
Free Length 203.2 mm
Inside Diameter 59.54 mm
Material Oil Tempered
Outside Diameter 73.81 mm
Part Type Standard
Rate 9.28 N/mm
SKU 73181CS
Solid Length 81.03 mm
Suggested Max Deflection 109.22 mm
Suggested Max Load 1023.04 N
Total Coils 11.3
Wire Diameter 7.14 mm
The 73181CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.281" diameter oil tempered, the 73181 spring design exhibits reliable strength across its 11.3 active coils, withstanding repeated compression cycles with a maximum load of 230 lbf without succumbing to fatigue.

We manufacture the 73181 design to provide a compression spring that is 8" long at rest and provides a consistent rate of 53 lbs/in along its recommended maximum of 4.3" deflection. For best results, your application should fully accommodate the inner (2.344") and outer (2.906") diameters of this spring and be designed for its closed & ground end configuration.

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