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12384CS - 3.78 Inch Spring Steel Extension Springs

Inventory Status
Estimated Lead Time

The 12384CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and a zinc finish. With a free length of 3.78 inches and a wire diameter of 0.091 inches, this spring is made from spring steel and has a maximum deflection of 0.95 inches. It has an initial tension of 15 pounds and a maximum load capacity of 49 pound force. The 12384CS has an outside diameter of 0.515 inches and a spring rate of 36 lbs/inch. It is a left-wound spring and is designed to meet standard measurement units.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery for your projects. That's why we ensure that our springs, including the 12384CS, are readily available for quick shipment. Additionally, all our products are proudly made in the United States, guaranteeing top-notch quality and supporting local manufacturing. Trust Century Spring for all your spring needs, and experience our reliable shipping and abundant supply firsthand.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 15 lb
Length 3.78 in
Material Spring Steel
Outside Diameter 0.515 in
Part Type Standard
Rate 36 lbs/in
SKU 12384CS
Sugg Max Deflection 0.95 in
Sugg Max Load 49 lbf
Wind Direction Left
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 6.8 kg
Length 96.01 mm
Material Spring Steel
Outside Diameter 13.08 mm
Part Type Standard
Rate 6.3 N/mm
SKU 12384CS
Sugg Max Deflection 24.13 mm
Sugg Max Load 217.95 N
Wind Direction Left
Wire Diameter 2.31 mm