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B1-51CS - 1.88 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The B1-51CS is a regular extension spring manufactured by Century Spring. It is made from Music Wire and features a gold iridite finish. This spring has a wire diameter of 0.025 Inch and an outer diameter of 0.25 inches. The free length of the B1-51CS is 1.88 inches, and it has an initial tension of 0.3 Pound. It can withstand a maximum deflection of 3.3 Inch and has a maximum load capacity of 3.1 Pound Force. This extension spring is designed with full loop ends and has a spring rate of 0.86 lbs/inch. With its standard measurement units, the B1-51CS is a reliable choice for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we prioritize efficient shipping methods to ensure customers receive their orders promptly. Additionally, our significant stock inventory allows us to meet the demands of our customers and provide them with the springs they need when they need them. As an American company, we are proud to manufacture our products, including the B1-51CS, in the United States. When you choose Century Spring, you can trust in our commitment to quality, reliability, and quick service.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Gold Iridite
Initial Tension 0.3 lb
Length 1.88 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 0.86 lbs/in
SKU B1-51CS
Sugg Max Deflection 3.3 in
Sugg Max Load 3.1 lbf
Wind Direction Left
Wire Diameter 0.025 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Gold Iridite
Initial Tension 0.14 kg
Length 47.75 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.15 N/mm
SKU B1-51CS
Sugg Max Deflection 83.82 mm
Sugg Max Load 13.79 N
Wind Direction Left
Wire Diameter 0.64 mm