Compression Springs Regular

A9-28CS - 0.63" Music Wire Compression Spring

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Compression spring manufactured from music wire with 7.5 coils and closed ends. This spring features an O.D. of 0.281", and an I.D. of 0.219".

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Standard

Metric

Specs (in standard)
Label	Value
Brand	Century Spring
Display Name	A9-28
Ends	Closed
Finish	Gold Iridite
Free Length	0.63 in
Inside Diameter	0.219 in
Material	Music Wire
Outside Diameter	0.281 in
Part Type	Standard
Rate	15 lbs/in
SKU	A9-28CS
Solid Length	0.26 in
Suggested Max Deflection	0.36 in
Suggested Max Load	5.6 lbf
Total Coils	7.5
Wire Diameter	0.031 in

Specs (in metric)
Label	Value
Brand	Century Spring
Display Name	A9-28
Ends	Closed
Finish	Gold Iridite
Free Length	16 mm
Inside Diameter	5.56 mm
Material	Music Wire
Outside Diameter	7.14 mm
Part Type	Standard
Rate	2.63 N/mm
SKU	A9-28CS
Solid Length	6.6 mm
Suggested Max Deflection	9.14 mm
Suggested Max Load	24.91 N
Total Coils	7.5
Wire Diameter	0.79 mm

The compression spring A9-28CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality music wire, the A9-28 compression spring design exhibits exceptional tensile strength and resilience.

The A9-28 design is manufactured with a free length of 0.63", with an outer diameter of 0.281", an inner diameter of 0.219", and a total of 7.5 coils, expertly designed to deliver consistent compression characteristics including a rate of 15 lbs/in.

The A9-28CS compression spring is ideally suited for use in a wide range of mechanical assemblies, including but not limited to automotive suspension systems, industrial machinery, and electronic devices.

In summary, the compression spring A9-28 design stands out for its superior material properties, thoughtful design, and versatility in application. It is a prime choice for engineers committed to excellence and innovation in their projects.