5521

5521

Regular extension spring in Spring Steel. This spring features an O.D. of 0.328 Inch, an initial tension of 1 Pound, and a spring rate of 1.1 Pound Force per Inch.

Current variant: 5521CS. Navigate to a different variant:
Diagram of extension spring with measurements
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 5521
Ends Machine Hook
Finish Zinc
Initial Tension 1 lb
Length 8 in
Material Spring Steel
Outside Diameter 0.328 in
Part Type Standard
Rate 1.1 lbf/in
Sugg Max Deflection 6.2 in
Sugg Max Load 8.2 lbf
Wind Direction Left
Wire Diameter 0.042 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 5521
Ends Machine Hook
Finish Zinc
Initial Tension 0.45 kg
Length 203.2 mm
Material Spring Steel
Outside Diameter 8.33 mm
Part Type Standard
Rate 0.19 N/mm
Sugg Max Deflection 157.48 mm
Sugg Max Load 36.47 N
Wind Direction Left
Wire Diameter 1.07 mm

Inventory Status

In-stock

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Quantity Price
1 - 49 $4.70
50 - 149 $4.47
150 - 299 $4.23
300 - 499 $4.00
500 - 749 $3.53
750 - 999 $3.06
1000+ Call for price