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437CS - 0.97 Inch Spring Steel Extension Springs

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

The 437CS is a regular extension spring manufactured by Century Spring. Made from spring steel with a zinc finish, this spring has a wire diameter of 0.038 inch and an outside diameter of 0.328 inches. Its free length is 0.97 inches, and it has an initial tension of 1 pound. The 437CS has a maximum deflection of 0.64 inch and can withstand a maximum load of 6 pound force. With its left wind direction and full loop ends, this extension spring is perfect for various applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our products, including the 437CS, are proudly 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.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 1 lb
Length 0.97 in
Material Spring Steel
Outside Diameter 0.328 in
Part Type Standard
Rate 7.8 lbs/in
SKU 437CS
Sugg Max Deflection 0.64 in
Sugg Max Load 6 lbf
Wind Direction Left
Wire Diameter 0.038 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.45 kg
Length 24.64 mm
Material Spring Steel
Outside Diameter 8.33 mm
Part Type Standard
Rate 1.37 N/mm
SKU 437CS
Sugg Max Deflection 16.26 mm
Sugg Max Load 26.69 N
Wind Direction Left
Wire Diameter 0.97 mm