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S-529CS - 1.38 Inch 302/304 Stainless Steel Extension Springs

Inventory Status
Estimated Lead Time

The S-529CS is an extension spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a machine hook on both ends. This spring has a free length of 1.38 inches and a maximum deflection of 6.6 inches. It has an initial tension of 0.03 pounds and can handle a maximum load of 0.48 pound force. The S-529CS has an outside diameter of 0.25 inches and a wire diameter of 0.015 inches. With a spring rate of 0.07 lbs/inch, it is suitable for a variety of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. Our springs, including the S-529CS, are proudly made in the United States. With our efficient shipping process and ample supply, we ensure that our customers can quickly receive the high-quality springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.03 lb
Length 1.38 in
Material 302/304 Stainless Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 0.07 lbs/in
SKU S-529CS
Sugg Max Deflection 6.6 in
Sugg Max Load 0.48 lbf
Wind Direction Left
Wire Diameter 0.015 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.01 kg
Length 35.05 mm
Material 302/304 Stainless Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.01 N/mm
SKU S-529CS
Sugg Max Deflection 167.64 mm
Sugg Max Load 2.14 N
Wind Direction Left
Wire Diameter 0.38 mm