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A11-20CS - 0.47" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 6 coils and closed ends. This spring features an O.D. of 0.219", and an I.D. of 0.133".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name A11-20
Ends Closed
Finish None
Free Length 0.47 in
Inside Diameter 0.133 in
Material 302/304 Stainless Steel
Outside Diameter 0.219 in
Part Type Standard
Rate 200 lbs/in
SKU A11-20CS
Solid Length 0.3 in
Suggested Max Deflection 0.06 in
Suggested Max Load 12 lbf
Total Coils 6
Wire Diameter 0.043 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name A11-20
Ends Closed
Finish None
Free Length 11.94 mm
Inside Diameter 3.38 mm
Material 302/304 Stainless Steel
Outside Diameter 5.56 mm
Part Type Standard
Rate 35.02 N/mm
SKU A11-20CS
Solid Length 7.62 mm
Suggested Max Deflection 1.52 mm
Suggested Max Load 53.38 N
Total Coils 6
Wire Diameter 1.09 mm
The A11-20 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 A11-20CS compression spring is designed with a free length of 0.63" total of 7.5 coils, and a rate of 66 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 A11-20 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.