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72120CS - 3" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 12.9 coils and closed & ground ends. This spring features an O.D. of 0.72", and an I.D. of 0.51".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72120
Ends Closed & Ground
Finish None
Free Length 3 in
Inside Diameter 0.51 in
Material Music Wire
Outside Diameter 0.72 in
Part Type Standard
Rate 69 lbs/in
SKU 72120CS
Solid Length 1.35 in
Suggested Max Deflection 1 in
Suggested Max Load 72 lbf
Total Coils 12.9
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72120
Ends Closed & Ground
Finish None
Free Length 76.2 mm
Inside Diameter 12.95 mm
Material Music Wire
Outside Diameter 18.29 mm
Part Type Standard
Rate 12.08 N/mm
SKU 72120CS
Solid Length 34.29 mm
Suggested Max Deflection 25.4 mm
Suggested Max Load 320.26 N
Total Coils 12.9
Wire Diameter 2.67 mm
The compression spring 72120CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality music wire, the 72120 compression spring design exhibits exceptional tensile strength and resilience.

The 72120 design is manufactured with a free length of 3", with an outer diameter of 0.72", an inner diameter of 0.51", and a total of 12.9 coils, expertly designed to deliver consistent compression characteristics including a rate of 69 lbs/in.

The 72120CS 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 72120 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.