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471CS - 2.75 Inch Spring Steel Extension Springs

The 471CS is a regular extension spring manufactured by Century Spring. It features a machine hook at both ends for easy installation. Made from durable spring steel with a zinc finish, this spring has a free length of 2.75 inches and an initial tension of 3 pounds. With a maximum deflection of 2.1 inches and a maximum load capacity of 19 pound force, the 471CS is a reliable and versatile spring for various applications. Its outer diameter measures 0.718 inches, and it has a wire diameter of 0.076 inches. With a spring rate of 7.6 inches per pound, this extension spring offers the perfect balance of strength and flexibility.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we ensure that our products, including the 471CS, are readily available and can be shipped quickly to our customers. As a US-based company, we prioritize manufacturing our springs in the United States, maintaining high-quality standards and supporting local industries. With Century Spring, you can rely on efficient shipping, ample supply, and top-notch American-made springs for all your project needs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 3 lb
Length 2.75 in
Material Spring Steel
Outside Diameter 0.718 in
Part Type Standard
Rate 7.6 lbs/in
SKU 471CS
Sugg Max Deflection 2.1 in
Sugg Max Load 19 lbf
Wind Direction Left
Wire Diameter 0.076 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1.36 kg
Length 69.85 mm
Material Spring Steel
Outside Diameter 18.24 mm
Part Type Standard
Rate 1.33 N/mm
SKU 471CS
Sugg Max Deflection 53.34 mm
Sugg Max Load 84.51 N
Wind Direction Left
Wire Diameter 1.93 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $3.23
50 - 149 $3.07
150 - 299 $2.91
300 - 499 $2.75
500 - 749 $2.43
750 - 999 $2.10
1000+ Call for price