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O-73CS - 0.44" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 4 coils and closed & ground ends. This spring features an O.D. of 0.609", and an I.D. of 0.501".

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

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name O-73
Ends Closed & Ground
Finish None
Free Length 0.44 in
Inside Diameter 0.501 in
Material 302/304 Stainless Steel
Outside Diameter 0.609 in
Part Type Standard
Rate 31 lbs/in
SKU O-73CS
Solid Length 0.22 in
Suggested Max Deflection 0.22 in
Suggested Max Load 6.9 lbf
Total Coils 4
Wire Diameter 0.054 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name O-73
Ends Closed & Ground
Finish None
Free Length 11.18 mm
Inside Diameter 12.73 mm
Material 302/304 Stainless Steel
Outside Diameter 15.47 mm
Part Type Standard
Rate 5.43 N/mm
SKU O-73CS
Solid Length 5.59 mm
Suggested Max Deflection 5.59 mm
Suggested Max Load 30.69 N
Total Coils 4
Wire Diameter 1.37 mm
The compression spring O-73CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the O-73 compression spring design exhibits exceptional tensile strength and resilience.

The O-73 design is manufactured with a free length of 0.44", with an outer diameter of 0.609", an inner diameter of 0.501", and a total of 4 coils, expertly designed to deliver consistent compression characteristics including a rate of 31 lbs/in.

The O-73CS 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 O-73 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.