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76CS - 4 Inch High Carbon Steel Extension Springs

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

The 76CS is a regular extension spring manufactured by Century Spring. It features a machine hook on both ends and is finished with zinc for durability. This spring has a free length of 4 inches and an initial tension of 17 pounds. Made from High Carbon steel, it has a max deflection of 1.3 inches and can withstand a maximum load of 66 pounds. With an outside diameter of 0.812 inches and a wire diameter of 0.12 inches, the 76CS has a spring rate of 39 lbs/inch. It is a left-wound spring and is suitable for a variety of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery and strive to ensure that our customers receive their springs promptly. Our products, including the 76CS, are proudly made in the United States, guaranteeing high quality and reliability. With our efficient shipping process and ample supply, Century Spring is committed to meeting our customers' spring needs efficiently and effectively.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 17 lb
Length 4 in
Material High Carbon Steel
Outside Diameter 0.812 in
Part Type Standard
Rate 39 lbs/in
SKU 76CS
Sugg Max Deflection 1.3 in
Sugg Max Load 66 lbf
Wind Direction Left
Wire Diameter 0.12 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 7.71 kg
Length 101.6 mm
Material High Carbon Steel
Outside Diameter 20.62 mm
Part Type Standard
Rate 6.83 N/mm
SKU 76CS
Sugg Max Deflection 33.02 mm
Sugg Max Load 293.57 N
Wind Direction Left
Wire Diameter 3.05 mm