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.

90394SCS - 4 Inch 316 Stainless Steel Extension Springs

Inventory Status
Estimated Lead Time

The 90394SCS is a regular extension spring manufactured by Century Spring. It is made from 316 stainless steel and has a passivated finish. This spring has a wire diameter of 0.029 inches, an outside diameter of 0.25 inches, and a free length of 4 inches. It has an initial tension of 0.46 pound and a maximum deflection of 1.581 inches. The 90394SCS has a spring rate of 0.66 lbs/inch and a maximum load of 1.51 pound force. It features machine hook ends and is suitable for various extension spring applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our springs, including the 90394SCS, are proudly made in the United States. With our efficient shipping process and ample supply, Century Spring ensures that customers can quickly receive the high-quality springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Passivated
Initial Tension 0.46 lb
Length 4 in
Material 316 Stainless Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 0.66 lbs/in
SKU 90394SCS
Sugg Max Deflection 1.581 in
Sugg Max Load 1.51 lbf
Wind Direction Left
Wire Diameter 0.029 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Passivated
Initial Tension 0.21 kg
Length 101.6 mm
Material 316 Stainless Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.12 N/mm
SKU 90394SCS
Sugg Max Deflection 40.16 mm
Sugg Max Load 6.72 N
Wind Direction Left
Wire Diameter 0.74 mm