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A9-19CS - 1.06" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 18 coils and closed & ground ends. This spring features an O.D. of 0.25", and an I.D. of 0.178".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name A9-19
Ends Closed & Ground
Finish None
Free Length 1.06 in
Inside Diameter 0.178 in
Material Spring Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 15 lbs/in
SKU A9-19CS
Solid Length 0.65 in
Suggested Max Deflection 0.41 in
Suggested Max Load 6.4 lbf
Total Coils 18
Wire Diameter 0.036 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name A9-19
Ends Closed & Ground
Finish None
Free Length 26.92 mm
Inside Diameter 4.52 mm
Material Spring Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 2.63 N/mm
SKU A9-19CS
Solid Length 16.51 mm
Suggested Max Deflection 10.41 mm
Suggested Max Load 28.47 N
Total Coils 18
Wire Diameter 0.91 mm
The A9-19 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 A9-19CS compression spring is designed with a free length of 0.66" total of 11.5 coils, and a rate of 0.24 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 A9-19 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.