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5387CS - 2.50 Inch Music Wire Extension Springs

The 5387CS is a regular extension spring manufactured by Century Spring. It is made from Music Wire and has a zinc finish. This spring has a wire diameter of 0.018 inches, an outer diameter of 0.156 inches, and a free length of 2.5 inches. It has an initial tension of 0.2 Pound and a maximum deflection of 3.7 inches. The 5387CS has a maximum load capacity of 2 Pound Force. It features double loop ends and is suitable for various applications.

At Century Spring, we offer fast shipping and maintain a significant stock inventory. Our products, including the 5387CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Double Loop
Finish Zinc
Initial Tension 0.2 lb
Length 2.5 in
Material Music Wire
Outside Diameter 0.156 in
Part Type Standard
Rate 0.48 lbs/in
SKU 5387CS
Sugg Max Deflection 3.7 in
Sugg Max Load 2 lbf
Wind Direction Left
Wire Diameter 0.018 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Double Loop
Finish Zinc
Initial Tension 0.09 kg
Length 63.5 mm
Material Music Wire
Outside Diameter 3.96 mm
Part Type Standard
Rate 0.08 N/mm
SKU 5387CS
Sugg Max Deflection 93.98 mm
Sugg Max Load 8.9 N
Wind Direction Left
Wire Diameter 0.46 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $2.25
50 - 149 $2.14
150 - 299 $2.03
300 - 499 $1.92
500 - 749 $1.69
750 - 999 $1.47
1000+ Call for price