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5582CS - 12.90 Inch Spring Steel Extension Springs

The 5582CS is a regular extension spring manufactured by Century Spring. It is made of spring steel and has a zinc finish. This spring has a wire diameter of 0.14 inches, an outside diameter of 1.062 inches, and a free length of 12.9 inches. It has an initial tension of 18 pounds and a maximum deflection of 7 inches. The spring rate is 8.6 inch-pounds and it can withstand a maximum load of 78 pound force. The 5582CS features machine hook ends and is suitable for various applications requiring extension springs.

At Century Spring, we take pride in our fast shipping and extensive inventory. We understand the importance of timely delivery, which is why we ensure that your order is processed and shipped promptly. With our significant stock, including the 5582CS, we strive to meet your spring needs without delay. Furthermore, all our products are proudly manufactured in the United States, guaranteeing high-quality and reliability. Trust Century Spring for all your spring requirements.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 18 lb
Length 12.9 in
Material Spring Steel
Outside Diameter 1.062 in
Part Type Standard
Rate 8.6 lbs/in
SKU 5582CS
Sugg Max Deflection 7 in
Sugg Max Load 78 lbf
Wind Direction Left
Wire Diameter 0.14 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 8.16 kg
Length 327.66 mm
Material Spring Steel
Outside Diameter 26.97 mm
Part Type Standard
Rate 1.51 N/mm
SKU 5582CS
Sugg Max Deflection 177.8 mm
Sugg Max Load 346.94 N
Wind Direction Left
Wire Diameter 3.56 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $15.04
50 - 149 $14.29
150 - 299 $13.54
300 - 499 $12.79
500 - 749 $11.28
750 - 999 $9.78
1000+ Call for price