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4403 - 18 Inch Spring Steel Extension Spring

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

Regular extension spring in Spring Steel. This spring features an O.D. of 1.5 Inch and an initial tension of 16 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4403
Ends Machine Hook
Finish Zinc
Initial Tension 16 lb
Length 18 in
Material Spring Steel
Outside Diameter 1.5 in
Part Type Standard
Rate 4.7 lbs/in
SKU 4403CS
Sugg Max Deflection 15 in
Sugg Max Load 85 lbf
Wind Direction Left
Wire Diameter 0.165 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4403
Ends Machine Hook
Finish Zinc
Initial Tension 7.26 kg
Length 457.2 mm
Material Spring Steel
Outside Diameter 38.1 mm
Part Type Standard
Rate 0.82 N/mm
SKU 4403CS
Sugg Max Deflection 381 mm
Sugg Max Load 378.08 N
Wind Direction Left
Wire Diameter 4.19 mm

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