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5229CS - 4 Inch Music Wire Extension Springs

The 5229CS is a regular extension spring manufactured by Century Spring. It features a zinc finish and is made from high-quality music wire material. This spring has a free length of 4 inches and a maximum deflection of 4.2 inches, providing excellent flexibility and resilience. With an initial tension of 0.7 pounds, it offers the right amount of force for various applications. The 5229CS has an outside diameter of 0.203 inches and a wire diameter of 0.027 inches, ensuring optimal performance. With a spring rate of 1 inches per pound, it delivers consistent and reliable performance. This left-wound spring with machine hook ends can withstand a maximum load of 4.9 pounds.

Century Spring takes pride in its fast shipping and extensive stock inventory. We understand the importance of prompt delivery and strive to provide our customers with the springs they need as quickly as possible. All our products, including the 5229CS, are proudly made in the United States. You can trust Century Spring for top-notch quality and efficient service, ensuring your projects are completed smoothly and successfully.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.7 lb
Length 4 in
Material Music Wire
Outside Diameter 0.203 in
Part Type Standard
Rate 1 lbs/in
SKU 5229CS
Sugg Max Deflection 4.2 in
Sugg Max Load 4.9 lbf
Wind Direction Left
Wire Diameter 0.027 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.32 kg
Length 101.6 mm
Material Music Wire
Outside Diameter 5.16 mm
Part Type Standard
Rate 0.18 N/mm
SKU 5229CS
Sugg Max Deflection 106.68 mm
Sugg Max Load 21.8 N
Wind Direction Left
Wire Diameter 0.69 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $2.47
50 - 149 $2.35
150 - 299 $2.23
300 - 499 $2.10
500 - 749 $1.86
750 - 999 $1.61
1000+ Call for price