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Century Spring

B3-4CS - 0.75 Inch Music Wire Extension Spring

Inventory Status
Estimated Lead Time

Regular extension spring in Music Wire. This spring features an O.D. of 0.172 Inch and an initial tension of 0.3 Pound.

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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 lbs/in
SKU B3-4CS
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
SKU B3-4CS
Sugg Max Deflection 21.34 mm
Sugg Max Load 12.9 N
Wind Direction Left
Wire Diameter 0.53 mm

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