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455CS - 0.80 Inch Music Wire Extension Springs

The 455CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and a zinc finish. With a free length of 0.8 inches, this spring has an initial tension of 0.7 pounds. Made from music wire, it has a maximum deflection of 0.7 inches and can handle a maximum load of 5.4 pounds force. The outside diameter is 0.25 inches, and the wire diameter is 0.03 inches. This spring has a rate of 6.8 inch-pounds and is designed for standard measurements.

Century Spring takes pride in its fast shipping and extensive inventory. We offer a wide range of springs, including the 455CS, all made in the United States. With our efficient shipping and ample stock, Century Spring ensures that you can quickly receive the high-quality springs you need for your project.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.7 lb
Length 0.8 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 6.8 lbs/in
SKU 455CS
Sugg Max Deflection 0.7 in
Sugg Max Load 5.4 lbf
Wind Direction Left
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.32 kg
Length 20.32 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 1.19 N/mm
SKU 455CS
Sugg Max Deflection 17.78 mm
Sugg Max Load 24.02 N
Wind Direction Left
Wire Diameter 0.76 mm
Inventory Status
Low Stock
Quantity Price
1 - 49 $1.71
50 - 149 $1.63
150 - 299 $1.54
300 - 499 $1.46
500 - 749 $1.29
750 - 999 $1.12
1000+ Call for price