This browser is no longer supported. Upgrade to Microsoft Edge or switch to a supported browser, like Chrome, Safari, or Firefox, to explore the MW Components website.

We're sorry for the inconvenience.

S-551CS - 1.50 Inch 302/304 Stainless Steel Extension Springs

Inventory Status
Estimated Lead Time

The S-551CS is an extension spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a plain finish. This spring has a wire diameter of 0.026 inches, an outer diameter of 0.312 inches, and a free length of 1.5 inches. It has an initial tension of 0.2 Pound and a maximum deflection of 3.1 inches. The S-551CS has a spring rate of 0.55 lbs/inch and a maximum load of 1.9 Pound Force. It features machine hook ends and is suitable for various applications.

Century Spring offers fast shipping and maintains a significant stock inventory. We are proud to manufacture our products, including the S-551CS, 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.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.2 lb
Length 1.5 in
Material 302/304 Stainless Steel
Outside Diameter 0.312 in
Part Type Standard
Rate 0.55 lbs/in
SKU S-551CS
Sugg Max Deflection 3.1 in
Sugg Max Load 1.9 lbf
Wind Direction Left
Wire Diameter 0.026 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.09 kg
Length 38.1 mm
Material 302/304 Stainless Steel
Outside Diameter 7.92 mm
Part Type Standard
Rate 0.1 N/mm
SKU S-551CS
Sugg Max Deflection 78.74 mm
Sugg Max Load 8.45 N
Wind Direction Left
Wire Diameter 0.66 mm