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5390CS - 0.69 Inch Music Wire Extension Springs

The 5390CS 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 0.024 inches, an outer diameter of 0.25 inches, and a free length of 0.69 inches. It has an initial tension of 0.3 Pound and a maximum deflection of 0.8 inches. The 5390CS has a spring rate of 3.3 inches per pound and a maximum load of 2.9 Pound Force. It features machine hook ends and is suitable for various applications.

At Century Spring, we understand the importance of fast shipping and maintaining a significant stock inventory. We take pride in producing our products, including the 5390CS, in the United States. With our reliable shipping and ample supply, we ensure that you can quickly receive the springs you need for your projects. Trust Century Spring for high-quality springs and excellent service.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.3 lb
Length 0.69 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 3.3 lbs/in
SKU 5390CS
Sugg Max Deflection 0.8 in
Sugg Max Load 2.9 lbf
Wind Direction Left
Wire Diameter 0.024 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.14 kg
Length 17.53 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.58 N/mm
SKU 5390CS
Sugg Max Deflection 20.32 mm
Sugg Max Load 12.9 N
Wind Direction Left
Wire Diameter 0.61 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $1.73
50 - 149 $1.65
150 - 299 $1.56
300 - 499 $1.48
500 - 749 $1.30
750 - 999 $1.13
1000+ Call for price