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4033 - 28.5 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 0.578 Inch and an initial tension of 4 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4033
Ends Full Loop
Finish Zinc
Initial Tension 4 lb
Length 28.5 in
Material Spring Steel
Outside Diameter 0.578 in
Part Type Standard
Rate 0.78 lbs/in
SKU 4033CS
Sugg Max Deflection 22 in
Sugg Max Load 21 lbf
Wind Direction Left
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4033
Ends Full Loop
Finish Zinc
Initial Tension 1.81 kg
Length 723.9 mm
Material Spring Steel
Outside Diameter 14.68 mm
Part Type Standard
Rate 0.14 N/mm
SKU 4033CS
Sugg Max Deflection 558.8 mm
Sugg Max Load 93.41 N
Wind Direction Left
Wire Diameter 1.83 mm

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