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100 YRS

The Countdown to 100 Years of Century Spring!

Since 1927, Century Spring Corp has been the original industry-leading spring manufacturer for both stock and custom springs. Read about 100 Years of Century Spring here.

225 DAYS

6040CS - 2.25 Inch 302/304 Stainless Steel Extension Springs

Inventory:           
Estimated Lead Time

The 6040CS is an extension spring from Century Spring. It is made from 302/304 Stainless Steel and has a natural finish. This spring has a wire diameter of 0.085 inches, an outside diameter of 0.843 inches, and a free length of 2.25 inches. It has an initial tension of 4.2 Pound and a maximum deflection of 1.9 inches. The 6040CS has a spring rate of 9.8 lbs/inch and can withstand a maximum load of 22 Pound Force. It is a left-wound spring with full loop ends. The 6040CS is a regular extension spring suitable for various applications.

At Century Spring, we pride ourselves on offering fast shipping and maintaining a significant stock inventory. Our products, including the 6040CS, are made in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 4.2 lb
Length 2.25 in
Material 302/304 Stainless Steel
Outside Diameter 0.843 in
Part Type Standard
Rate 9.8 lbs/in
SKU 6040CS
Sugg Max Deflection 1.9 in
Sugg Max Load 22 lbf
Wire Diameter 0.085 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 1.9 kg
Length 57.15 mm
Material 302/304 Stainless Steel
Outside Diameter 21.41 mm
Part Type Standard
Rate 1.72 N/mm
SKU 6040CS
Sugg Max Deflection 48.26 mm
Sugg Max Load 97.86 N
Wire Diameter 2.16 mm