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Century Spring

ZZ3-40CS - 1.78 Inch Music Wire Extension Spring

Inventory Status
Estimated Lead Time

Regular extension spring in Music Wire. This spring features an O.D. of 0.234 Inch and an initial tension of 0.9 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name ZZ3-40
Ends Side Hook
Finish Zinc
Initial Tension 0.9 lb
Length 1.78 in
Material Music Wire
Outside Diameter 0.234 in
Part Type Standard
Rate 3.6 lbs/in
SKU ZZ3-40CS
Sugg Max Deflection 1.5 in
Sugg Max Load 6.5 lbf
Wind Direction Left
Wire Diameter 0.031 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name ZZ3-40
Ends Side Hook
Finish Zinc
Initial Tension 0.41 kg
Length 45.21 mm
Material Music Wire
Outside Diameter 5.94 mm
Part Type Standard
Rate 0.63 N/mm
SKU ZZ3-40CS
Sugg Max Deflection 38.1 mm
Sugg Max Load 28.91 N
Wind Direction Left
Wire Diameter 0.79 mm

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