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73091CS - 4" 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 2.437", and an I.D. of 1.713".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73091
Ends Closed & Ground
Finish None
Free Length 4 in
Inside Diameter 1.713 in
Material Oil Tempered
Outside Diameter 2.437 in
Part Type Standard
Rate 526 lbs/in
SKU 73091CS
Solid Length 2.63 in
Suggested Max Deflection 1 in
Suggested Max Load 539 lbf
Total Coils 7.25
Wire Diameter 0.362 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73091
Ends Closed & Ground
Finish None
Free Length 101.6 mm
Inside Diameter 43.51 mm
Material Oil Tempered
Outside Diameter 61.9 mm
Part Type Standard
Rate 92.1 N/mm
SKU 73091CS
Solid Length 66.8 mm
Suggested Max Deflection 25.4 mm
Suggested Max Load 2397.47 N
Total Coils 7.25
Wire Diameter 9.19 mm
The 73091CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.362" diameter oil tempered, the 73091 spring design exhibits reliable strength across its 7.25 active coils, withstanding repeated compression cycles with a maximum load of 539 lbf without succumbing to fatigue.

We manufacture the 73091 design to provide a compression spring that is 4" long at rest and provides a consistent rate of 526 lbs/in along its recommended maximum of 1" deflection. For best results, your application should fully accommodate the inner (1.713") and outer (2.437") diameters of this spring and be designed for its closed & ground end configuration.