B3-4

B3-4

Regular extension spring in Music Wire. This spring features an O.D. of 0.172 Inch, an initial tension of 0.3 Pound, and a spring rate of 3 Pound Force per Inch.

Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B3-4
Ends Extended Hook
Finish None
Initial Tension 0.3 lb
Length 0.75 in
Material Music Wire
Outside Diameter 0.172 in
Part Type Standard
Rate 3 lbf/in
Sugg Max Deflection 0.84 in
Sugg Max Load 2.9 lbf
Wind Direction Left
Wire Diameter 0.021 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B3-4
Ends Extended Hook
Finish None
Initial Tension 0.14 kg
Length 19.05 mm
Material Music Wire
Outside Diameter 4.37 mm
Part Type Standard
Rate 0.53 N/mm
Sugg Max Deflection 21.34 mm
Sugg Max Load 12.9 N
Wind Direction Left
Wire Diameter 0.53 mm

Inventory Status

In-stock

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Quantity Price
1 - 49 $2.04
50 - 149 $1.94
150 - 299 $1.84
300 - 499 $1.74
500 - 749 $1.53
750 - 999 $1.33
1000+ Call for price