Compression Springs Regular

A13-57CS - 0.38" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 3.75 coils and closed & ground ends. This spring features an O.D. of 0.39", and an I.D. of 0.32".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

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Standard

Metric

Specs (in standard)
Label	Value
Brand	Century Spring
Display Name	A13-57
Ends	Closed & Ground
Finish	None
Free Length	0.38 in
Inside Diameter	0.32 in
Material	Spring Steel
Outside Diameter	0.39 in
Part Type	Standard
Rate	28 lbs/in
SKU	A13-57CS
Solid Length	0.13 in
Suggested Max Deflection	0.15 in
Suggested Max Load	4.3 lbf
Total Coils	3.75
Wire Diameter	0.035 in

Specs (in metric)
Label	Value
Brand	Century Spring
Display Name	A13-57
Ends	Closed & Ground
Finish	None
Free Length	9.65 mm
Inside Diameter	8.13 mm
Material	Spring Steel
Outside Diameter	9.91 mm
Part Type	Standard
Rate	4.9 N/mm
SKU	A13-57CS
Solid Length	3.3 mm
Suggested Max Deflection	3.81 mm
Suggested Max Load	19.13 N
Total Coils	3.75
Wire Diameter	0.89 mm

The A13-57 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 A13-57CS compression spring is designed with a free length of 2.69" total of 10.8 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 A13-57 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.