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304 - 4.5 Inch Music Wire Extension Spring

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

Regular extension spring in Music Wire. This spring features an O.D. of 0.437 Inch and an initial tension of 0.1 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 304
Ends Full Loop
Finish Zinc
Initial Tension 0.1 lb
Length 4.5 in
Material Music Wire
Outside Diameter 0.437 in
Part Type Standard
Rate 0.09 lbs/in
SKU 304CS
Sugg Max Deflection 25 in
Sugg Max Load 2.5 lbf
Wind Direction Left
Wire Diameter 0.028 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 304
Ends Full Loop
Finish Zinc
Initial Tension 0.05 kg
Length 114.3 mm
Material Music Wire
Outside Diameter 11.1 mm
Part Type Standard
Rate 0.02 N/mm
SKU 304CS
Sugg Max Deflection 635 mm
Sugg Max Load 11.12 N
Wind Direction Left
Wire Diameter 0.71 mm

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