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3972CS - 1.25" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 6.75 coils and closed & ground ends. This spring features an O.D. of 0.515", and an I.D. of 0.39".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3972
Ends Closed & Ground
Finish Zinc
Free Length 1.25 in
Inside Diameter 0.39 in
Material Spring Steel
Outside Diameter 0.515 in
Part Type Standard
Rate 48 lbs/in
SKU 3972CS
Solid Length 0.42 in
Suggested Max Deflection 0.34 in
Suggested Max Load 16 lbf
Total Coils 6.75
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3972
Ends Closed & Ground
Finish Zinc
Free Length 31.75 mm
Inside Diameter 9.91 mm
Material Spring Steel
Outside Diameter 13.08 mm
Part Type Standard
Rate 8.4 N/mm
SKU 3972CS
Solid Length 10.67 mm
Suggested Max Deflection 8.64 mm
Suggested Max Load 71.17 N
Total Coils 6.75
Wire Diameter 1.59 mm
The compression spring 3972CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the 3972 compression spring design exhibits exceptional tensile strength and resilience.

The 3972 design is manufactured with a free length of 1.25", with an outer diameter of 0.515", an inner diameter of 0.39", and a total of 6.75 coils, expertly designed to deliver consistent compression characteristics including a rate of 48 lbs/in.

The 3972CS 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 3972 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.