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5177CS - 1.75 Inch High Carbon Steel Extension Springs

The 5177CS is a regular extension spring manufactured by Century Spring. It features a machine hook on both ends and has a zinc finish. This spring has a free length of 1.75 inches and an initial tension of 6 pounds. Made from High Carbon steel, it can deflect up to 0.53 inches and handle a maximum load of 26 pound force. With an outside diameter of 0.484 inches and a wire diameter of 0.072 inches, the 5177CS has a spring rate of 37 inches per pound. It weighs approximately 0.0267 pounds and is wound in the left direction. Century Spring's 5177CS 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. Our products, including the 5177CS, are proudly made in the United States. With our efficient shipping processes and ample supply, Century Spring ensures that customers can quickly receive the high-quality 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 6 lb
Length 1.75 in
Material High Carbon Steel
Outside Diameter 0.484 in
Part Type Standard
Rate 37 lbs/in
SKU 5177CS
Sugg Max Deflection 0.53 in
Sugg Max Load 26 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 44.45 mm
Material High Carbon Steel
Outside Diameter 12.29 mm
Part Type Standard
Rate 6.48 N/mm
SKU 5177CS
Sugg Max Deflection 13.46 mm
Sugg Max Load 115.65 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 $2.74
50 - 149 $2.61
150 - 299 $2.47
300 - 499 $2.33
500 - 749 $2.06
750 - 999 $1.79
1000+ Call for price