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O-9CS - 3 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The O-9CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and has a natural finish. This spring has a wire diameter of 0.029 inches, an outside diameter of 0.188 inches, and a free length of 3 inches. It has an initial tension of 1 pound and a maximum deflection of 2.1 inches. The O-9CS has a spring rate of 2.6 lbs/inch and can withstand a maximum load of 6.6 pound force. It features full loops on both ends, providing secure attachment points. The O-9CS is a reliable extension spring suitable for a wide range of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we strive to ship our products promptly. Additionally, we maintain a significant stock of springs, including the O-9CS, to ensure that our customers have access to the springs they need when they need them. What sets us apart is that all of our springs are proudly made in the United States, guaranteeing exceptional quality and craftsmanship. Trust Century Spring for your spring needs and experience our reliable shipping and superior products.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 1 lb
Length 3 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 2.6 lbs/in
SKU O-9CS
Sugg Max Deflection 2.1 in
Sugg Max Load 6.6 lbf
Wind Direction Left
Wire Diameter 0.029 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.45 kg
Length 76.2 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 0.46 N/mm
SKU O-9CS
Sugg Max Deflection 53.34 mm
Sugg Max Load 29.36 N
Wind Direction Left
Wire Diameter 0.74 mm