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137CS - 8.499 Inch High Carbon Steel Extension Springs

Inventory Status
Limited Availability

The 137CS is a regular extension spring manufactured by Century Spring. It is made from High Carbon steel with a zinc finish. This spring has a wire diameter of 0.0625 inches, an outside diameter of 0.875 inches, and a free length of 8.499 inches. It has an initial tension of 0.9 Pound and a maximum deflection of 24 inches. The 137CS has a spring rate of 0.33 lbs/inch and a maximum load of 8.8 Pound Force. It features machine hooks on both ends and is suitable for various applications.

Century Spring offers fast shipping and maintains a significant stock inventory. Our products, including the 137CS, 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 0.9 lb
Length 8.499 in
Material High Carbon Steel
Outside Diameter 0.875 in
Part Type Standard
Rate 0.33 lbs/in
SKU 137CS
Sugg Max Deflection 24 in
Sugg Max Load 8.8 lbf
Wind Direction Left
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.41 kg
Length 215.87 mm
Material High Carbon Steel
Outside Diameter 22.23 mm
Part Type Standard
Rate 0.06 N/mm
SKU 137CS
Sugg Max Deflection 609.6 mm
Sugg Max Load 39.14 N
Wind Direction Left
Wire Diameter 1.59 mm