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Century Spring

A9-37CS - 1.28" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 10.5 coils and closed & ground ends. This spring features an O.D. of 0.484", and an I.D. of 0.34".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name A9-37
Ends Closed & Ground
Finish None
Free Length 1.28 in
Inside Diameter 0.34 in
Material Spring Steel
Outside Diameter 0.484 in
Part Type Standard
Rate 65 lbs/in
SKU A9-37CS
Solid Length 0.76 in
Suggested Max Deflection 0.39 in
Suggested Max Load 26 lbf
Total Coils 10.5
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name A9-37
Ends Closed & Ground
Finish None
Free Length 32.51 mm
Inside Diameter 8.64 mm
Material Spring Steel
Outside Diameter 12.29 mm
Part Type Standard
Rate 11.38 N/mm
SKU A9-37CS
Solid Length 19.3 mm
Suggested Max Deflection 9.91 mm
Suggested Max Load 115.65 N
Total Coils 10.5
Wire Diameter 1.83 mm
The A9-37CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.072" diameter spring steel, the A9-37 spring design exhibits reliable strength across its 10.5 active coils, withstanding repeated compression cycles with a maximum load of 26 lbf without succumbing to fatigue.

We manufacture the A9-37 design to provide a compression spring that is 1.28" long at rest and provides a consistent rate of 65 lbs/in along its recommended maximum of 0.39" deflection. For best results, your application should fully accommodate the inner (0.34") and outer (0.484") diameters of this spring and be designed for its closed & ground end configuration.

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