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5139CS - 4 Inch Spring Steel Extension Spring

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Regular extension spring in Spring Steel. This spring features an O.D. of 1.625 Inch and an initial tension of 51 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 5139
Ends Machine Hook
Finish Zinc
Initial Tension 51 lb
Length 4 in
Material Spring Steel
Outside Diameter 1.625 in
Part Type Standard
Rate 145 lbs/in
SKU 5139CS
Sugg Max Deflection 0.99 in
Sugg Max Load 196 lbf
Wire Diameter 0.225 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 5139
Ends Machine Hook
Finish Zinc
Initial Tension 23.13 kg
Length 101.6 mm
Material Spring Steel
Outside Diameter 41.28 mm
Part Type Standard
Rate 25.39 N/mm
SKU 5139CS
Sugg Max Deflection 25.15 mm
Sugg Max Load 871.81 N
Wire Diameter 5.72 mm

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