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648 - 5.75 Inch High Carbon Steel Extension Spring

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

Regular extension spring in High Carbon Steel. This spring features an O.D. of 1.375 Inch and an initial tension of 107 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 648
Ends Machine Hook
Finish Black Oxide
Initial Tension 107 lb
Length 5.75 in
Material High Carbon Steel
Outside Diameter 1.375 in
Part Type Standard
Rate 209 lbs/in
SKU 648CS
Sugg Max Deflection 0.97 in
Sugg Max Load 310 lbf
Wind Direction Left
Wire Diameter 0.243 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 648
Ends Machine Hook
Finish Black Oxide
Initial Tension 48.53 kg
Length 146.05 mm
Material High Carbon Steel
Outside Diameter 34.93 mm
Part Type Standard
Rate 36.6 N/mm
SKU 648CS
Sugg Max Deflection 24.64 mm
Sugg Max Load 1378.88 N
Wind Direction Left
Wire Diameter 6.17 mm

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