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90421SCS - 1.38 Inch 316 Stainless Steel Extension Springs

Inventory Status
Estimated Lead Time

The 90421SCS is an extension spring from Century Spring's Regular line. It is made from 316 Stainless Steel and has a passivated finish. This spring has a wire diameter of 0.034 inches, an outside diameter of 0.25 inches, and a free length of 1.38 inches. It has an initial tension of 0.71 Pound and a maximum deflection of 0.3 inches. The 90421SCS has a maximum load of 2.38 Pound Force and a spring rate of 5.58 lbs/inch. It features machine hook ends and is wound in a left-hand direction. This extension spring is suitable for various applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our products, including the 90421SCS, are proudly made 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 Passivated
Initial Tension 0.71 lb
Length 1.38 in
Material 316 Stainless Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 5.58 lbs/in
SKU 90421SCS
Sugg Max Deflection 0.3 in
Sugg Max Load 2.38 lbf
Wind Direction Left
Wire Diameter 0.034 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Passivated
Initial Tension 0.32 kg
Length 35.05 mm
Material 316 Stainless Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.98 N/mm
SKU 90421SCS
Sugg Max Deflection 7.62 mm
Sugg Max Load 10.59 N
Wind Direction Left
Wire Diameter 0.86 mm