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Century Spring

143CS - 8.5 Inch High Carbon Steel Extension Spring

Inventory Status
Estimated Lead Time

Regular extension spring in High Carbon Steel. This spring features an O.D. of 0.938 Inch and an initial tension of 7 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 143
Ends Machine Hook
Finish Zinc
Initial Tension 7 lb
Length 8.5 in
Material High Carbon Steel
Outside Diameter 0.938 in
Part Type Standard
Rate 4.4 lbs/in
SKU 143CS
Sugg Max Deflection 7.1 in
Sugg Max Load 38 lbf
Wind Direction Left
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 143
Ends Machine Hook
Finish Zinc
Initial Tension 3.17 kg
Length 215.9 mm
Material High Carbon Steel
Outside Diameter 23.83 mm
Part Type Standard
Rate 0.77 N/mm
SKU 143CS
Sugg Max Deflection 180.34 mm
Sugg Max Load 169.02 N
Wind Direction Left
Wire Diameter 2.67 mm

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