257-B

257-B

Regular extension spring in Music Wire. This spring features an O.D. of 0.156 Inch, an initial tension of 0.1 Pound, and a spring rate of 0.23 Pound Force per Inch.

Current variant: 257-BCS. Navigate to a different variant:
Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 257-B
Ends Full Loop
Finish Zinc
Initial Tension 0.1 lb
Length 1.88 in
Material Music Wire
Outside Diameter 0.156 in
Part Type Standard
Rate 0.23 lbf/in
Sugg Max Deflection 4.4 in
Sugg Max Load 1.1 lbf
Wind Direction Left
Wire Diameter 0.015 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 257-B
Ends Full Loop
Finish Zinc
Initial Tension 0.05 kg
Length 47.75 mm
Material Music Wire
Outside Diameter 3.96 mm
Part Type Standard
Rate 0.04 N/mm
Sugg Max Deflection 111.76 mm
Sugg Max Load 4.89 N
Wind Direction Left
Wire Diameter 0.38 mm

Inventory Status

In-stock

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Quantity Price
1 - 49 $2.01
50 - 149 $1.91
150 - 299 $1.81
300 - 499 $1.71
500 - 749 $1.51
750 - 999 $1.31
1000+ Call for price