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5601CS - 5.75 Inch High Carbon Steel Extension Springs

The 5601CS is a regular extension spring manufactured by Century Spring. It is made from High Carbon steel and features a zinc finish for added durability. This spring has a wire diameter of 0.105 inches, an outside diameter of 0.859 inches, and a free length of 5.75 inches. It has an initial tension of 8 pounds and a maximum deflection of 3.7 inches. The 5601CS has a spring rate of 9.2 inches per pound and can support a maximum load of 42 pound force. It has machine hook ends for easy installation. This standard extension spring is ideal for a wide range of applications.

Century Spring takes pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and our efficient shipping process ensures that you receive your springs quickly. With our significant stock inventory, including the 5601CS, we can meet your spring needs promptly. Additionally, all of our springs are proudly made in the United States, guaranteeing high-quality craftsmanship. Trust Century Spring for reliable shipping, ample supply, and American-made springs for your projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 9.7 lb
Length 5.75 in
Material High Carbon Steel
Outside Diameter 0.859 in
Part Type Standard
Rate 9.2 lbs/in
SKU 5601CS
Sugg Max Deflection 3.7 in
Sugg Max Load 42 lbf
Wind Direction Left
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 4.4 kg
Length 146.05 mm
Material High Carbon Steel
Outside Diameter 21.82 mm
Part Type Standard
Rate 1.61 N/mm
SKU 5601CS
Sugg Max Deflection 93.98 mm
Sugg Max Load 186.82 N
Wind Direction Left
Wire Diameter 2.67 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $6.76
50 - 149 $6.43
150 - 299 $6.09
300 - 499 $5.75
500 - 749 $5.07
750 - 999 $4.40
1000+ Call for price