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ZZ4-51 - 0.63 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 0.172 Inch and an initial tension of 1 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name ZZ4-51
Ends Machine Hook
Finish None
Initial Tension 1 lb
Length 0.63 in
Material Music Wire
Outside Diameter 0.172 in
Part Type Standard
Rate 16 lbs/in
SKU ZZ4-51CS
Sugg Max Deflection 0.31 in
Sugg Max Load 5.9 lbf
Wind Direction Left
Wire Diameter 0.027 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name ZZ4-51
Ends Machine Hook
Finish None
Initial Tension 0.45 kg
Length 16 mm
Material Music Wire
Outside Diameter 4.37 mm
Part Type Standard
Rate 2.8 N/mm
SKU ZZ4-51CS
Sugg Max Deflection 7.87 mm
Sugg Max Load 26.24 N
Wind Direction Left
Wire Diameter 0.69 mm

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