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133CS - 8.499 Inch High Carbon Steel Extension Springs

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

The 133CS 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 0.0625 inches, an outside diameter of 0.812 inches, and a free length of 8.499 inches. It has an initial tension of 1 pound and a maximum deflection of 21 inches. The 133CS has a spring rate of 0.42 inches per pound and a maximum load of 9.6 pound force. It features machine hooks on both ends. This extension spring is suitable for various applications.

At Century Spring, we offer fast shipping and maintain a significant stock inventory. Our products, including the 133CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1 lb
Length 8.499 in
Material High Carbon Steel
Outside Diameter 0.812 in
Part Type Standard
Rate 0.42 lbs/in
SKU 133CS
Sugg Max Deflection 21 in
Sugg Max Load 9.6 lbf
Wind Direction Left
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.45 kg
Length 215.87 mm
Material High Carbon Steel
Outside Diameter 20.62 mm
Part Type Standard
Rate 0.07 N/mm
SKU 133CS
Sugg Max Deflection 533.4 mm
Sugg Max Load 42.7 N
Wind Direction Left
Wire Diameter 1.59 mm