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5657 - 3.75 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 0.734 Inch and an initial tension of 7 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 5657
Ends Machine Hook
Finish Zinc
Initial Tension 7 lb
Length 3.75 in
Material Spring Steel
Outside Diameter 0.734 in
Part Type Standard
Rate 12 lbs/in
SKU 5657CS
Sugg Max Deflection 2.1 in
Sugg Max Load 32 lbf
Wind Direction Left
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 5657
Ends Machine Hook
Finish Zinc
Initial Tension 3.17 kg
Length 95.25 mm
Material Spring Steel
Outside Diameter 18.64 mm
Part Type Standard
Rate 2.1 N/mm
SKU 5657CS
Sugg Max Deflection 53.34 mm
Sugg Max Load 142.34 N
Wind Direction Left
Wire Diameter 2.31 mm

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