539

539

Regular extension spring in Hand Drawn Steel. This spring features an O.D. of 0.515 Inch, an initial tension of 3 Pound, and a spring rate of 16 Pound Force per Inch.

Current variant: 539CS. Navigate to a different variant:
Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 539
Ends Machine Hook
Finish Zinc
Initial Tension 3 lb
Length 1.5 in
Material Hand Drawn Steel
Outside Diameter 0.515 in
Part Type Standard
Rate 16 lbf/in
Sugg Max Deflection 0.79 in
Sugg Max Load 16 lbf
Wind Direction Left
Wire Diameter 0.062 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 539
Ends Machine Hook
Finish Zinc
Initial Tension 1.36 kg
Length 38.1 mm
Material Hand Drawn Steel
Outside Diameter 13.08 mm
Part Type Standard
Rate 2.8 N/mm
Sugg Max Deflection 20.07 mm
Sugg Max Load 71.17 N
Wind Direction Left
Wire Diameter 1.57 mm

Inventory Status

In-stock

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Quantity Price
1 - 49 $3.77
50 - 149 $3.59
150 - 299 $3.40
300 - 499 $3.21
500 - 749 $2.83
750 - 999 $2.46
1000+ Call for price