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5817CS - 8 Inch Music Wire Extension Springs

The 5817CS is a regular extension spring manufactured by Century Spring. It is made from Music Wire and has a zinc finish. This spring has a wire diameter of 0.032 inches, an outer diameter of 0.25 inches, and a free length of 8 inches. It has an initial tension of 0.9 Pound and a maximum deflection of 9.4 inches. The 5817CS has a spring rate of 0.62 inches per pound and a maximum load of 6.6 Pound Force. It features full loop ends. The 5817CS is a standard extension spring suitable for various applications.

Century Spring prides itself on fast shipping and maintaining a significant stock inventory. We are proud to manufacture our products, including the 5817CS, in the United States. With our efficient shipping and ample stock, 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 0.9 lb
Length 8 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 0.62 lbs/in
SKU 5817CS
Sugg Max Deflection 9.4 in
Sugg Max Load 6.6 lbf
Wind Direction Left
Wire Diameter 0.032 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.41 kg
Length 203.2 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.11 N/mm
SKU 5817CS
Sugg Max Deflection 238.76 mm
Sugg Max Load 29.36 N
Wind Direction Left
Wire Diameter 0.81 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $4.32
50 - 149 $4.11
150 - 299 $3.89
300 - 499 $3.68
500 - 749 $3.24
750 - 999 $2.81
1000+ Call for price