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5643 - 16.5 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 Inch and an initial tension of 19 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 5643
Ends Machine Hook
Finish Zinc
Initial Tension 19 lb
Length 16.5 in
Material Spring Steel
Outside Diameter 1 in
Part Type Standard
Rate 6.7 lbs/in
SKU 5643CS
Sugg Max Deflection 8.5 in
Sugg Max Load 75 lbf
Wind Direction Left
Wire Diameter 0.135 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 5643
Ends Machine Hook
Finish Zinc
Initial Tension 8.62 kg
Length 419.1 mm
Material Spring Steel
Outside Diameter 25.4 mm
Part Type Standard
Rate 1.17 N/mm
SKU 5643CS
Sugg Max Deflection 215.9 mm
Sugg Max Load 333.6 N
Wind Direction Left
Wire Diameter 3.43 mm

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