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577 - 2.5 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 0.359 Inch and an initial tension of 1 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 577
Ends Full Loop
Finish Zinc
Initial Tension 1 lb
Length 2.5 in
Material Spring Steel
Outside Diameter 0.359 in
Part Type Standard
Rate 4.1 lbs/in
SKU 577CS
Sugg Max Deflection 1.7 in
Sugg Max Load 8.6 lbf
Wind Direction Left
Wire Diameter 0.044 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 577
Ends Full Loop
Finish Zinc
Initial Tension 0.45 kg
Length 63.5 mm
Material Spring Steel
Outside Diameter 9.12 mm
Part Type Standard
Rate 0.72 N/mm
SKU 577CS
Sugg Max Deflection 43.18 mm
Sugg Max Load 38.25 N
Wind Direction Left
Wire Diameter 1.12 mm

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