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5251CS - 0.98 Inch Music Wire Extension Springs

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

The 5251CS is a regular extension spring manufactured by Century Spring. This zinc-coated spring is made from high-quality music wire, ensuring durability and strength. With a wire diameter of 0.03 inch and an outside diameter of 0.25 inches, this spring has a free length of 0.98 inches. It provides an initial tension of 0.7 pound and can handle a maximum load of 5.4 pound force. The 5251CS offers a maximum deflection of 0.85 inch and has a spring rate of 5.6 lbs/inch. It features machine hooks on both ends and is wound in a left direction. This standard extension spring is suitable for a wide range of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery for your projects, which is why we prioritize efficient shipping. Additionally, all our springs, including the 5251CS, are proudly made in the United States. Our commitment to quality and local manufacturing ensures that you receive reliable and high-performing springs for your specific needs. With Century Spring, you can trust that your orders will be promptly shipped and that our ample stock will meet your demands.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.7 lb
Length 0.98 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 5.6 lbs/in
SKU 5251CS
Sugg Max Deflection 0.85 in
Sugg Max Load 5.4 lbf
Wind Direction Left
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.32 kg
Length 24.89 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.98 N/mm
SKU 5251CS
Sugg Max Deflection 21.59 mm
Sugg Max Load 24.02 N
Wind Direction Left
Wire Diameter 0.76 mm