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5187CS - 1.94 Inch Music Wire Extension Springs

The 5187CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and is finished with zinc coating. This spring has a free length of 1.94 inches and an initial tension of 0.4 pounds. Made from high-quality music wire, it offers a maximum deflection of 2.4 inches and can withstand a maximum load of 3.5 pounds force. With an outside diameter of 0.188 inches and a wire diameter of 0.023 inches, it has a spring rate of 1.3 inches per pound. The 5187CS is a reliable extension spring suitable for various applications.

Century Spring takes pride in its fast shipping and extensive stock inventory. We are dedicated to ensuring prompt delivery of our products, including the 5187CS, to meet our customers' needs. Additionally, all of our springs are proudly made in the United States, guaranteeing top-notch quality and craftsmanship. Trust Century Spring for your spring requirements, and experience the convenience of our efficient shipping and ample supply.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.4 lb
Length 1.94 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 1.3 lbs/in
SKU 5187CS
Sugg Max Deflection 2.4 in
Sugg Max Load 3.5 lbf
Wind Direction Left
Wire Diameter 0.023 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.18 kg
Length 49.28 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 0.23 N/mm
SKU 5187CS
Sugg Max Deflection 60.96 mm
Sugg Max Load 15.57 N
Wind Direction Left
Wire Diameter 0.58 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $1.94
50 - 149 $1.85
150 - 299 $1.75
300 - 499 $1.65
500 - 749 $1.46
750 - 999 $1.27
1000+ Call for price