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Century Spring

661CS - 7 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 1.5 Inch and an initial tension of 87 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 661
Ends Machine Hook
Finish Zinc
Initial Tension 87 lb
Length 7 in
Material High Carbon Steel
Outside Diameter 1.5 in
Part Type Standard
Rate 112 lbs/in
SKU 661CS
Sugg Max Deflection 1.7 in
Sugg Max Load 275 lbf
Wind Direction Left
Wire Diameter 0.243 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 661
Ends Machine Hook
Finish Zinc
Initial Tension 39.46 kg
Length 177.8 mm
Material High Carbon Steel
Outside Diameter 38.1 mm
Part Type Standard
Rate 19.61 N/mm
SKU 661CS
Sugg Max Deflection 43.18 mm
Sugg Max Load 1223.2 N
Wind Direction Left
Wire Diameter 6.17 mm

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