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Century Spring

A9-49CS - 0.91" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 7 coils and closed & ground ends. This spring features an O.D. of 0.578", and an I.D. of 0.428".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name A9-49
Ends Closed & Ground
Finish Zinc
Free Length 0.91 in
Inside Diameter 0.428 in
Material Spring Steel
Outside Diameter 0.578 in
Part Type Standard
Rate 71 lbs/in
SKU A9-49CS
Solid Length 0.53 in
Suggested Max Deflection 0.34 in
Suggested Max Load 24 lbf
Total Coils 7
Wire Diameter 0.075 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name A9-49
Ends Closed & Ground
Finish Zinc
Free Length 23.11 mm
Inside Diameter 10.87 mm
Material Spring Steel
Outside Diameter 14.68 mm
Part Type Standard
Rate 12.43 N/mm
SKU A9-49CS
Solid Length 13.46 mm
Suggested Max Deflection 8.64 mm
Suggested Max Load 106.75 N
Total Coils 7
Wire Diameter 1.91 mm
The A9-49CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.075" diameter spring steel, the A9-49 spring design exhibits reliable strength across its 7 active coils, withstanding repeated compression cycles with a maximum load of 24 lbf without succumbing to fatigue.

We manufacture the A9-49 design to provide a compression spring that is 0.91" long at rest and provides a consistent rate of 71 lbs/in along its recommended maximum of 0.34" deflection. For best results, your application should fully accommodate the inner (0.428") and outer (0.578") diameters of this spring and be designed for its closed & ground end configuration.

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