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5049CS - 1.25 Inch Music Wire Extension Springs

The 5049CS is a regular extension spring manufactured by Century Spring. It is made from high-quality Music Wire and features a durable zinc finish. This spring has a free length of 1.25 inches and an outside diameter of 0.14 inches. With an initial tension of 0.2 pounds, it offers the perfect balance of flexibility and strength. The 5049CS has a maximum deflection of 1.8 inches and can handle a maximum load of 1.5 pounds force. It is designed with a left wind direction and a wire diameter of 0.016 inches. This standard-sized spring is equipped with side hook ends, making it easy to install and secure.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery and strive to ensure that our customers receive their springs promptly. Additionally, all our products, including the 5049CS, are proudly made in the United States. By manufacturing locally, we can maintain strict quality control and support American businesses. With Century Spring, you can trust that you're getting reliable, high-performance springs for your projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Side Hook
Finish Zinc
Initial Tension 0.2 lb
Length 1.25 in
Material Music Wire
Outside Diameter 0.14 in
Part Type Standard
Rate 0.77 lbs/in
SKU 5049CS
Sugg Max Deflection 1.8 in
Sugg Max Load 1.5 lbf
Wind Direction Left
Wire Diameter 0.016 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Side Hook
Finish Zinc
Initial Tension 0.09 kg
Length 31.75 mm
Material Music Wire
Outside Diameter 3.56 mm
Part Type Standard
Rate 0.13 N/mm
SKU 5049CS
Sugg Max Deflection 45.72 mm
Sugg Max Load 6.67 N
Wind Direction Left
Wire Diameter 0.41 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $1.88
50 - 149 $1.79
150 - 299 $1.70
300 - 499 $1.60
500 - 749 $1.41
750 - 999 $1.23
1000+ Call for price