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666CS - 1.50 Inch High Carbon Steel Extension Springs

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

The 666CS is a regular extension spring manufactured by Century Spring. It is made from High Carbon steel and has a zinc finish. This spring has a wire diameter of 0.047 inches, an outside diameter of 0.312 inches, and a free length of 1.5 inches. It has an initial tension of 3 Pound and a maximum deflection of 0.55 inches. The 666CS has a spring rate of 18 lbs/inch and a maximum load of 12 Pound Force. It features double loop ends. The 666CS is a standard extension spring suitable for a variety 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 as quickly as possible. With our significant stock inventory, including the 666CS, we can meet the demands of our customers and ensure that they have the springs they need when they need them. All of our springs are proudly made in the United States, guaranteeing quality and supporting local manufacturing. Trust Century Spring for your spring needs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Double Loop
Finish Zinc
Initial Tension 3 lb
Length 1.5 in
Material High Carbon Steel
Outside Diameter 0.312 in
Part Type Standard
Rate 18 lbs/in
SKU 666CS
Sugg Max Deflection 0.55 in
Sugg Max Load 12 lbf
Wind Direction Left
Wire Diameter 0.047 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Double Loop
Finish Zinc
Initial Tension 1.36 kg
Length 38.1 mm
Material High Carbon Steel
Outside Diameter 7.92 mm
Part Type Standard
Rate 3.15 N/mm
SKU 666CS
Sugg Max Deflection 13.97 mm
Sugg Max Load 53.38 N
Wind Direction Left
Wire Diameter 1.19 mm