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ZZ4-66 - 1.75 Inch Spring Steel Extension Spring

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

Regular extension spring in Spring Steel. This spring features an O.D. of 0.437 Inch and an initial tension of 4 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name ZZ4-66
Ends Machine Hook
Finish Zinc
Initial Tension 4 lb
Length 1.75 in
Material Spring Steel
Outside Diameter 0.437 in
Part Type Standard
Rate 23 lbs/in
SKU ZZ4-66CS
Sugg Max Deflection 0.65 in
Sugg Max Load 19 lbf
Wind Direction Left
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name ZZ4-66
Ends Machine Hook
Finish Zinc
Initial Tension 1.81 kg
Length 44.45 mm
Material Spring Steel
Outside Diameter 11.1 mm
Part Type Standard
Rate 4.03 N/mm
SKU ZZ4-66CS
Sugg Max Deflection 16.51 mm
Sugg Max Load 84.51 N
Wind Direction Left
Wire Diameter 1.59 mm

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