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5642CS - 5.69 Inch Spring Steel Extension Springs

The 5642CS 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 0.105 inches, an outside diameter of 0.75 inches, and a free length of 5.69 inches. It has an initial tension of 11 Pound and a maximum deflection of 1.9 inches. The 5642CS has a spring rate of 20 inches per pound and can withstand a maximum load of 50 Pound Force. It is equipped with machine hook ends and winds in a left direction. This extension spring is suitable for various applications.

Century Spring offers fast shipping and maintains a significant stock inventory. We proudly manufacture our products in the United States. With our reliable shipping and ample supply, Century Spring ensures that 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 Machine Hook
Finish Zinc
Initial Tension 11 lb
Length 5.69 in
Material Spring Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 20 lbs/in
SKU 5642CS
Sugg Max Deflection 1.9 in
Sugg Max Load 50 lbf
Wind Direction Left
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 4.99 kg
Length 144.53 mm
Material Spring Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 3.5 N/mm
SKU 5642CS
Sugg Max Deflection 48.26 mm
Sugg Max Load 222.4 N
Wind Direction Left
Wire Diameter 2.67 mm
Inventory Status
Low Stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $6.86
50 - 149 $6.52
150 - 299 $6.18
300 - 499 $5.84
500 - 749 $5.15
750 - 999 $4.46
1000+ Call for price