12389

12389

Regular extension spring in Spring Steel. This spring features an O.D. of 0.531 Inch, an initial tension of 6 Pound, and a spring rate of 10 Pound Force per Inch.

Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12389
Ends Machine Hook
Finish Zinc
Initial Tension 6 lb
Length 4 in
Material Spring Steel
Outside Diameter 0.531 in
Part Type Standard
Rate 10 lbf/in
Sugg Max Deflection 2 in
Sugg Max Load 27 lbf
Wind Direction Left
Wire Diameter 0.075 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12389
Ends Machine Hook
Finish Zinc
Initial Tension 2.72 kg
Length 101.6 mm
Material Spring Steel
Outside Diameter 13.49 mm
Part Type Standard
Rate 1.75 N/mm
Sugg Max Deflection 50.8 mm
Sugg Max Load 120.1 N
Wind Direction Left
Wire Diameter 1.91 mm

Inventory Status

In-stock

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Quantity Price
1 - 49 $5.06
50 - 149 $4.81
150 - 299 $4.56
300 - 499 $4.31
500 - 749 $3.80
750 - 999 $3.29
1000+ Call for price