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AA-28CS - 0.69" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 6 coils and closed & ground ends. This spring features an O.D. of 0.39", and an I.D. of 0.31".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name AA-28
Ends Closed & Ground
Finish None
Free Length 0.69 in
Inside Diameter 0.31 in
Material 302/304 Stainless Steel
Outside Diameter 0.39 in
Part Type Standard
Rate 19 lbs/in
SKU AA-28CS
Solid Length 0.24 in
Suggested Max Deflection 0.31 in
Suggested Max Load 5.9 lbf
Total Coils 6
Wire Diameter 0.04 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name AA-28
Ends Closed & Ground
Finish None
Free Length 17.53 mm
Inside Diameter 7.87 mm
Material 302/304 Stainless Steel
Outside Diameter 9.91 mm
Part Type Standard
Rate 3.33 N/mm
SKU AA-28CS
Solid Length 6.1 mm
Suggested Max Deflection 7.87 mm
Suggested Max Load 26.24 N
Total Coils 6
Wire Diameter 1.02 mm
The AA-28 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 AA-28CS compression spring is designed with a free length of 0.69" total of 9 coils, and a rate of 50 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 AA-28 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.