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5865CS - 4.50 Inch 302/304 Stainless Steel Extension Springs

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

The 5865CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a Zinc finish. This spring has a wire diameter of 0.055 inches, an outside diameter of 0.359 inches, and a free length of 4.5 inches. It has an initial tension of 4 Pound and a maximum deflection of 2.1 inches. The 5865CS has a spring rate of 5.5 lbs/inch and a maximum load of 15 Pound Force. It features full loop ends, providing secure attachment points. The 5865CS is a reliable extension spring suitable for various applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our products, including the 5865CS, are proudly made in the United States. With our efficient shipping process and ample supply, Century Spring ensures that customers can quickly receive the high-quality 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 4 lb
Length 4.5 in
Material 302/304 Stainless Steel
Outside Diameter 0.359 in
Part Type Standard
Rate 5.5 lbs/in
SKU 5865CS
Sugg Max Deflection 2.1 in
Sugg Max Load 15 lbf
Wind Direction Left
Wire Diameter 0.055 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 1.81 kg
Length 114.3 mm
Material 302/304 Stainless Steel
Outside Diameter 9.12 mm
Part Type Standard
Rate 0.96 N/mm
SKU 5865CS
Sugg Max Deflection 53.34 mm
Sugg Max Load 66.72 N
Wind Direction Left
Wire Diameter 1.4 mm