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5101CS - 9.38 Inch High Carbon Steel Extension Springs

The 5101CS is a regular extension spring manufactured by Century Spring. It features a machine hook on both ends and is finished with zinc for added durability. This spring has a free length of 9.38 inches and an initial tension of 6 pounds. Made from High Carbon steel, it can handle a maximum deflection of 4.6 inches and a maximum load of 25 pound force. With an outside diameter of 0.5 inches and a wire diameter of 0.072 inches, it has a spring rate of 4.1 inches per pound. The 5101CS is a reliable and versatile extension spring suitable for various 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 ensure that our products, including the 5101CS, are readily available for prompt shipment. Additionally, all of our springs are proudly made in the United States, guaranteeing high quality and adherence to industry standards. With Century Spring, you can count on efficient shipping and reliable products to meet your spring needs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 6 lb
Length 9.38 in
Material High Carbon Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 4.1 lbs/in
SKU 5101CS
Sugg Max Deflection 4.6 in
Sugg Max Load 25 lbf
Wind Direction Left
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 2.72 kg
Length 238.25 mm
Material High Carbon Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.72 N/mm
SKU 5101CS
Sugg Max Deflection 116.84 mm
Sugg Max Load 111.2 N
Wind Direction Left
Wire Diameter 1.83 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $5.70
50 - 149 $5.42
150 - 299 $5.13
300 - 499 $4.85
500 - 749 $4.28
750 - 999 $3.71
1000+ Call for price