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5291CS - 2.75 Inch Spring Steel Extension Springs

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

The 5291CS 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 0.0625 inches, an outside diameter of 0.375 inches, and a free length of 2.75 inches. It has an initial tension of 6 Pound and a maximum deflection of 0.82 inches. The 5291CS has a spring rate of 21 lbs/inch and a maximum load of 23 Pound Force. It features side hook ends and is suitable for various extension spring applications.

At Century Spring, we offer fast shipping and maintain a significant stock inventory. Our products, including the 5291CS, are proudly made in the United States. With our reliable shipping services and ample supply, we ensure that our 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 Side Hook
Finish Zinc
Initial Tension 6 lb
Length 2.75 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 21 lbs/in
SKU 5291CS
Sugg Max Deflection 0.82 in
Sugg Max Load 23 lbf
Wind Direction Left
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Side Hook
Finish Zinc
Initial Tension 2.72 kg
Length 69.85 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 3.68 N/mm
SKU 5291CS
Sugg Max Deflection 20.83 mm
Sugg Max Load 102.3 N
Wind Direction Left
Wire Diameter 1.59 mm