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Century Spring

804 - 12 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 33 coils and Closed & Ground ends. This spring features an O.D. of 1.5 Inch, and an I.D. of 1.086 Inch.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 804
Ends Closed & Ground
Finish Zinc
Free Length 12 in
Inside Diameter 1.086 in
Material Spring Steel
Outside Diameter 1.5 in
Part Type Standard
Rate 39 lbs/in
SKU 804CS
Solid Length 6.83 in
Suggested Max Deflection 4.2 in
Suggested Max Load 166 lbf
Total Coils 33
Wire Diameter 0.207 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 804
Ends Closed & Ground
Finish Zinc
Free Length 304.8 mm
Inside Diameter 27.58 mm
Material Spring Steel
Outside Diameter 38.1 mm
Part Type Standard
Rate 6.83 N/mm
SKU 804CS
Solid Length 173.48 mm
Suggested Max Deflection 106.68 mm
Suggested Max Load 738.37 N
Total Coils 33
Wire Diameter 5.26 mm
The 804CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.207" diameter hard drawn, the 804 spring design exhibits reliable strength across its 33 active coils, withstanding repeated compression cycles with a maximum load of 166 lbf without succumbing to fatigue.

We manufacture the 804 design to provide a compression spring that is 12" long at rest and provides a consistent rate of 39 lbs/in along its recommended maximum of 4.2" deflection. For best results, your application should fully accommodate the inner (1.086") and outer (1.5") diameters of this spring and be designed for its closed & ground end configuration.

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