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Century Spring

ZZ4-57CS - 1.38 Inch Spring Steel Extension Spring

Inventory Status
Estimated Lead Time

Regular extension spring in Spring Steel. This spring features an O.D. of 0.359 Inch and an initial tension of 1.3 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name ZZ4-57
Ends Machine Hook
Finish Zinc
Initial Tension 1.3 lb
Length 1.38 in
Material Spring Steel
Outside Diameter 0.359 in
Part Type Standard
Rate 6.8 lbs/in
SKU ZZ4-57CS
Sugg Max Deflection 0.84 in
Sugg Max Load 6.9 lbf
Wind Direction Left
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name ZZ4-57
Ends Machine Hook
Finish Zinc
Initial Tension 0.59 kg
Length 35.05 mm
Material Spring Steel
Outside Diameter 9.12 mm
Part Type Standard
Rate 1.19 N/mm
SKU ZZ4-57CS
Sugg Max Deflection 21.34 mm
Sugg Max Load 30.69 N
Wind Direction Left
Wire Diameter 1.04 mm

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