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415CS - 1.63 Inch Spring Steel Extension Springs

The 415CS is a regular extension spring manufactured by Century Spring. It features a machine hook on both ends and is made of spring steel with a zinc finish. This spring has a free length of 1.63 inches and an initial tension of 3 pounds. It has an outside diameter of 0.343 inches and a wire diameter of 0.051 inches. With a spring rate of 18 inches per pound, it can handle a maximum load of 13 pound force and has a maximum deflection of 0.57 inches. The 415CS is a left-wound spring and is suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the urgency of your projects and strive to ensure that you receive your springs promptly. Additionally, all our products, including the 415CS, are proudly made in the United States. With our commitment to quality and availability, Century Spring is your trusted source for springs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 3 lb
Length 1.63 in
Material Spring Steel
Outside Diameter 0.343 in
Part Type Standard
Rate 18 lbs/in
SKU 415CS
Sugg Max Deflection 0.57 in
Sugg Max Load 13 lbf
Wind Direction Left
Wire Diameter 0.051 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1.36 kg
Length 41.4 mm
Material Spring Steel
Outside Diameter 8.71 mm
Part Type Standard
Rate 3.15 N/mm
SKU 415CS
Sugg Max Deflection 14.48 mm
Sugg Max Load 57.82 N
Wind Direction Left
Wire Diameter 1.3 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 9 $8.23
10 - 24 $6.59
25 - 49 $6.18
50 - 99 $3.30
100 - 249 $2.47
250 - 499 $2.06
500 - 999 $1.24
1000+ Call for price