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209CS - 3 Inch Music Wire Extension Springs

The 209CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and a zinc finish. This spring has a free length of 3 inches and an initial tension of 1 pound. It is made from music wire and has a maximum deflection of 2.8 inches. The 209CS has a maximum load capacity of 8 pound force and a rate of 2.4 inches per pound. With an outside diameter of 0.25 inches and a wire diameter of 0.034 inches, it is a reliable and versatile spring suitable for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery and offer reliable shipping services for our products, including the 209CS. Additionally, all our springs are proudly made in the United States, ensuring high-quality craftsmanship and supporting local manufacturing. With our commitment to customer satisfaction and ample supply, Century Spring is your trusted source for dependable springs for any project.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1 lb
Length 3 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 2.4 lbs/in
SKU 209CS
Sugg Max Deflection 2.8 in
Sugg Max Load 8 lbf
Wind Direction Left
Wire Diameter 0.034 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.45 kg
Length 76.2 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.42 N/mm
SKU 209CS
Sugg Max Deflection 71.12 mm
Sugg Max Load 35.58 N
Wind Direction Left
Wire Diameter 0.86 mm
Inventory Status
Low Stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $3.37
50 - 149 $3.21
150 - 299 $3.04
300 - 499 $2.87
500 - 749 $2.53
750 - 999 $2.20
1000+ Call for price