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5945CS - 4 Inch Spring Steel Extension Springs

The 5945CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and has a zinc finish. This spring has a wire diameter of 0.085 inches, an outside diameter of 0.843 inches, and a free length of 4 inches. It has an initial tension of 4 Pound and a maximum deflection of 4.1 inches. The 5945CS has a spring rate of 4.8 inches per pound and a maximum load of 23 Pound Force. It features full loop ends, providing secure attachment. The 5945CS is a reliable extension spring suitable for a variety of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of timely delivery and strive to ensure that our customers receive their products promptly. With our significant stock, including the 5945CS, we can fulfill orders quickly and efficiently. Additionally, all of our springs are proudly made in the United States, guaranteeing their quality and adherence to industry standards. Trust Century Spring for your spring needs, and experience our reliable shipping and vast inventory firsthand.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 4 lb
Length 4 in
Material Spring Steel
Outside Diameter 0.843 in
Part Type Standard
Rate 4.8 lbs/in
SKU 5945CS
Sugg Max Deflection 4.1 in
Sugg Max Load 23 lbf
Wind Direction Left
Wire Diameter 0.085 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 1.81 kg
Length 101.6 mm
Material Spring Steel
Outside Diameter 21.41 mm
Part Type Standard
Rate 0.84 N/mm
SKU 5945CS
Sugg Max Deflection 104.14 mm
Sugg Max Load 102.3 N
Wind Direction Left
Wire Diameter 2.16 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $6.13
50 - 149 $5.83
150 - 299 $5.52
300 - 499 $5.22
500 - 749 $4.60
750 - 999 $3.99
1000+ Call for price