581

581

Regular extension spring in Spring Steel. This spring features an O.D. of 0.406 Inch, an initial tension of 5 Pound, and a spring rate of 13 Pound Force per Inch.

Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 581
Ends Machine Hook
Finish Zinc
Initial Tension 5 lb
Length 3.19 in
Material Spring Steel
Outside Diameter 0.406 in
Part Type Standard
Rate 13 lbf/in
Sugg Max Deflection 1.2 in
Sugg Max Load 22 lbf
Wind Direction Left
Wire Diameter 0.063 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 581
Ends Machine Hook
Finish Zinc
Initial Tension 2.27 kg
Length 81.03 mm
Material Spring Steel
Outside Diameter 10.31 mm
Part Type Standard
Rate 2.28 N/mm
Sugg Max Deflection 30.48 mm
Sugg Max Load 97.86 N
Wind Direction Left
Wire Diameter 1.6 mm

Inventory Status

In-stock

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Quantity Price
1 - 49 $4.09
50 - 149 $3.89
150 - 299 $3.69
300 - 499 $3.48
500 - 749 $3.07
750 - 999 $2.66
1000+ Call for price