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5687CS - 4.50 Inch Spring Steel Extension Springs

The 5687CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and a gold iridite finish. This spring has a free length of 4.5 inches and an initial tension of 42 pounds. Made from spring steel, it has a maximum deflection of 1.1 inches and a maximum load capacity of 151 pounds. With an outside diameter of 1.25 inches and a wire diameter of 0.187 inches, this spring has a rate of 101 inches per pound. It is designed for standard measurement units and has a shipping weight of 0.4513 pounds. The 5687CS is a left-wind spring, suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. As a leading manufacturer in the United States, we ensure that our products, including the 5687CS, are readily available for our valued customers. With our reliable shipping and ample supply, we strive to provide prompt delivery of the springs you need for your projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Gold Iridite
Initial Tension 42 lb
Length 4.5 in
Material Spring Steel
Outside Diameter 1.25 in
Part Type Standard
Rate 101 lbs/in
SKU 5687CS
Sugg Max Deflection 1.1 in
Sugg Max Load 151 lbf
Wind Direction Left
Wire Diameter 0.187 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Gold Iridite
Initial Tension 19.05 kg
Length 114.3 mm
Material Spring Steel
Outside Diameter 31.75 mm
Part Type Standard
Rate 17.69 N/mm
SKU 5687CS
Sugg Max Deflection 27.94 mm
Sugg Max Load 671.65 N
Wind Direction Left
Wire Diameter 4.75 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $13.51
50 - 149 $12.84
150 - 299 $12.16
300 - 499 $11.49
500 - 749 $10.14
750 - 999 $8.79
1000+ Call for price