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A9-53CS - 0.66" 302/304 Stainless Steel Compression Spring

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Compression spring manufactured from 302/304 stainless steel with 8 coils and closed & ground ends. This spring features an O.D. of 0.281", and an I.D. of 0.219".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name A9-53
Ends Closed & Ground
Finish None
Free Length 0.66 in
Inside Diameter 0.219 in
Material 302/304 Stainless Steel
Outside Diameter 0.281 in
Part Type Standard
Rate 13 lbs/in
SKU A9-53CS
Solid Length 0.25 in
Suggested Max Deflection 0.31 in
Suggested Max Load 3.9 lbf
Total Coils 8
Wire Diameter 0.031 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name A9-53
Ends Closed & Ground
Finish None
Free Length 16.76 mm
Inside Diameter 5.56 mm
Material 302/304 Stainless Steel
Outside Diameter 7.14 mm
Part Type Standard
Rate 2.28 N/mm
SKU A9-53CS
Solid Length 6.35 mm
Suggested Max Deflection 7.87 mm
Suggested Max Load 17.35 N
Total Coils 8
Wire Diameter 0.79 mm
The A9-53 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality 302/304 stainless 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 A9-53CS compression spring is designed with a free length of 0.97" total of 12.7 coils, and a rate of 4.4 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The A9-53 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.

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