549

549

Regular extension spring in Spring Steel. This spring features an O.D. of 0.375 Inch, an initial tension of 4 Pound, and a spring rate of 9.5 Pound Force per Inch.

Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 549
Ends Extended Hook
Finish Zinc
Initial Tension 4 lb
Length 3.19 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 9.5 lbf/in
Sugg Max Deflection 1.3 in
Sugg Max Load 16 lbf
Wind Direction Left
Wire Diameter 0.056 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 549
Ends Extended Hook
Finish Zinc
Initial Tension 1.81 kg
Length 81.03 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 1.66 N/mm
Sugg Max Deflection 33.02 mm
Sugg Max Load 71.17 N
Wind Direction Left
Wire Diameter 1.42 mm

Inventory Status

In-stock

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Quantity Price
1 - 49 $27.52
50 - 149 $26.15
150 - 299 $24.77
300 - 499 $23.40
500 - 749 $20.64
750 - 999 $17.89
1000+ Call for price