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4004 - 8.25 Inch High Carbon Steel Extension Spring

Inventory Status
Low 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 1.938 Inch and an initial tension of 54 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4004
Ends Machine Hook
Finish Black Oxide
Initial Tension 54 lb
Length 8.25 in
Material High Carbon Steel
Outside Diameter 1.938 in
Part Type Standard
Rate 50 lbs/in
SKU 4004CS
Sugg Max Deflection 3.4 in
Sugg Max Load 221 lbf
Wind Direction Left
Wire Diameter 0.25 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4004
Ends Machine Hook
Finish Black Oxide
Initial Tension 24.49 kg
Length 209.55 mm
Material High Carbon Steel
Outside Diameter 49.23 mm
Part Type Standard
Rate 8.76 N/mm
SKU 4004CS
Sugg Max Deflection 86.36 mm
Sugg Max Load 983.01 N
Wind Direction Left
Wire Diameter 6.35 mm

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