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Century Spring

681CS - 1.63 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 0.5 Inch and an initial tension of 9 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 681
Ends Full Loop
Finish Zinc
Initial Tension 9 lb
Length 1.63 in
Material High Carbon Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 66 lbs/in
SKU 681CS
Sugg Max Deflection 0.39 in
Sugg Max Load 35 lbf
Wind Direction Left
Wire Diameter 0.08 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 681
Ends Full Loop
Finish Zinc
Initial Tension 4.08 kg
Length 41.4 mm
Material High Carbon Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 11.56 N/mm
SKU 681CS
Sugg Max Deflection 9.91 mm
Sugg Max Load 155.68 N
Wind Direction Left
Wire Diameter 2.03 mm

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