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AA-57CS - 1.31" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 16.5 coils and closed & ground ends. This spring features an O.D. of 0.296", and an I.D. of 0.176".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name AA-57
Ends Closed & Ground
Finish None
Free Length 1.31 in
Inside Diameter 0.176 in
Material Spring Steel
Outside Diameter 0.296 in
Part Type Standard
Rate 98 lbs/in
SKU AA-57CS
Solid Length 0.99 in
Suggested Max Deflection 0.25 in
Suggested Max Load 24 lbf
Total Coils 16.5
Wire Diameter 0.06 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name AA-57
Ends Closed & Ground
Finish None
Free Length 33.27 mm
Inside Diameter 4.47 mm
Material Spring Steel
Outside Diameter 7.52 mm
Part Type Standard
Rate 17.16 N/mm
SKU AA-57CS
Solid Length 25.15 mm
Suggested Max Deflection 6.35 mm
Suggested Max Load 106.75 N
Total Coils 16.5
Wire Diameter 1.52 mm
The AA-57 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality spring steel and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The AA-57CS compression spring is designed with a free length of 0.75" total of 7 coils, and a rate of 11 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The AA-57 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.