This browser is no longer supported. Upgrade to Microsoft Edge or switch to a supported browser, like Chrome, Safari, or Firefox, to explore the MW Components website.

We're sorry for the inconvenience.

186-BCS - 1.88 Inch Music Wire Extension Springs

The 186-BCS is a regular extension spring manufactured by Century Spring. This spring is made from high-quality music wire and features a durable zinc finish. It has a wire diameter of 0.047 Inch and an outside diameter of 0.437 inches. The free length of the spring is 1.88 Inches, and it offers an initial tension of 1 Pound. The maximum deflection of the spring is 2.3 Inches, and it can handle a maximum load of 11 Pound Force. The 186-BCS is a left-wound spring with full loop ends. With its reliable construction and standard measurement units, this spring is ideal for a variety of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive inventory. We understand the importance of timely delivery and offer efficient shipping options to ensure that our customers receive their orders promptly. With our significant stock inventory, including the 186-BCS, customers can rely on us to have the springs they need in stock and ready to ship. Additionally, all our springs are proudly made in the United States, guaranteeing quality craftsmanship and supporting local manufacturing. Trust Century Spring for your spring needs, and experience our commitment to excellent service and American-made products.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 1 lb
Length 1.88 in
Material Music Wire
Outside Diameter 0.437 in
Part Type Standard
Rate 4.3 lbs/in
SKU 186-BCS
Sugg Max Deflection 2.3 in
Sugg Max Load 11 lbf
Wind Direction Left
Wire Diameter 0.047 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.45 kg
Length 47.75 mm
Material Music Wire
Outside Diameter 11.1 mm
Part Type Standard
Rate 0.75 N/mm
SKU 186-BCS
Sugg Max Deflection 58.42 mm
Sugg Max Load 48.93 N
Wind Direction Left
Wire Diameter 1.19 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $2.70
50 - 149 $2.57
150 - 299 $2.43
300 - 499 $2.30
500 - 749 $2.03
750 - 999 $1.76
1000+ Call for price