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3378CS - 6.75" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 18 coils and closed & ground ends. This spring features an O.D. of 1.5", and an I.D. of 1.07".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3378
Ends Closed & Ground
Finish Zinc
Free Length 6.75 in
Inside Diameter 1.07 in
Material Spring Steel
Outside Diameter 1.5 in
Part Type Standard
Rate 90 lbs/in
SKU 3378CS
Solid Length 3.87 in
Suggested Max Deflection 2 in
Suggested Max Load 185 lbf
Total Coils 18
Wire Diameter 0.215 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3378
Ends Closed & Ground
Finish Zinc
Free Length 171.45 mm
Inside Diameter 27.18 mm
Material Spring Steel
Outside Diameter 38.1 mm
Part Type Standard
Rate 15.76 N/mm
SKU 3378CS
Solid Length 98.3 mm
Suggested Max Deflection 50.8 mm
Suggested Max Load 822.88 N
Total Coils 18
Wire Diameter 5.46 mm
The compression spring 3378CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the 3378 compression spring design exhibits exceptional tensile strength and resilience.

The 3378 design is manufactured with a free length of 6.75", with an outer diameter of 1.5", an inner diameter of 1.07", and a total of 18 coils, expertly designed to deliver consistent compression characteristics including a rate of 90 lbs/in.

The 3378CS 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 3378 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.