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S-603CS - 3 Inch 302/304 Stainless Steel Extension Springs

Inventory Status
Estimated Lead Time

The S-603CS is a regular extension spring from Century Spring. It is made from 302/304 stainless steel and has a wire diameter of 0.091 inches. With an outside diameter of 0.75 inch and a free length of 3 inches, this spring has a maximum deflection of 1.8 inches. It has an initial tension of 6 pounds and a spring rate of 13 lbs/inch. The S-603CS has a maximum load of 29 pound force and features machine hooks on both ends. This standard extension spring is suitable for a variety of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we ensure that our products, including the S-603CS, are readily available for immediate shipment. As a US-based company, we manufacture our springs with the highest quality standards right here in the United States. With our efficient shipping and ample stock, Century Spring is your reliable source for springs, providing you with the products you need when you need them.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 6 lb
Length 3 in
Material 302/304 Stainless Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 13 lbs/in
SKU S-603CS
Sugg Max Deflection 1.8 in
Sugg Max Load 29 lbf
Wind Direction Left
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 2.72 kg
Length 76.2 mm
Material 302/304 Stainless Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 2.28 N/mm
SKU S-603CS
Sugg Max Deflection 45.72 mm
Sugg Max Load 128.99 N
Wind Direction Left
Wire Diameter 2.31 mm