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Century Spring

139CS - 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 0.875 Inch and an initial tension of 9.2 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 139
Ends Machine Hook
Finish Zinc
Initial Tension 9.2 lb
Length 8.5 in
Material High Carbon Steel
Outside Diameter 0.875 in
Part Type Standard
Rate 5.4 lbs/in
SKU 139CS
Sugg Max Deflection 6.1 in
Sugg Max Load 41 lbf
Wind Direction Left
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 139
Ends Machine Hook
Finish Zinc
Initial Tension 4.17 kg
Length 215.9 mm
Material High Carbon Steel
Outside Diameter 22.23 mm
Part Type Standard
Rate 0.95 N/mm
SKU 139CS
Sugg Max Deflection 154.94 mm
Sugg Max Load 182.37 N
Wind Direction Left
Wire Diameter 2.67 mm

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