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12354CS - 7.88 Inch Spring Steel Extension Springs

The 12354CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and has a zinc finish. This spring has a wire diameter of 0.045 inches, an outside diameter of 0.375 inches, and a free length of 7.88 inches. It has an initial tension of 1 Pound and a maximum deflection of 7.4 inches. The 12354CS has a maximum load of 8.8 Pound Force and is designed with full loop ends. This standard 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 12354CS, are proudly made in the United States. With our efficient shipping process and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 1 lb
Length 7.88 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 0.99 lbs/in
SKU 12354CS
Sugg Max Deflection 7.4 in
Sugg Max Load 8.8 lbf
Wind Direction Left
Wire Diameter 0.045 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.45 kg
Length 200.15 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 0.17 N/mm
SKU 12354CS
Sugg Max Deflection 187.96 mm
Sugg Max Load 39.14 N
Wind Direction Left
Wire Diameter 1.14 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $5.96
50 - 149 $5.67
150 - 299 $5.37
300 - 499 $5.07
500 - 749 $4.47
750 - 999 $3.88
1000+ Call for price