This browser is no longer supported. Upgrade to Microsoft Edge or switch to a supported browser, like Chrome, Safari, or Firefox, to explore the MW Components website.

We're sorry for the inconvenience.

5399 - 1.13 Inch Phosphor Bronze Extension Spring

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

Regular extension spring in Phosphor Bronze. This spring features an O.D. of 0.25 Inch and an initial tension of 0.5 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 5399
Ends Extended Hook
Finish None
Initial Tension 0.5 lb
Length 1.13 in
Material Phosphor Bronze
Outside Diameter 0.25 in
Part Type Standard
Rate 4.7 lbs/in
SKU 5399CS
Sugg Max Deflection 0.87 in
Sugg Max Load 4.6 lbf
Wind Direction Left
Wire Diameter 0.032 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 5399
Ends Extended Hook
Finish None
Initial Tension 0.23 kg
Length 28.7 mm
Material Phosphor Bronze
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.82 N/mm
SKU 5399CS
Sugg Max Deflection 22.1 mm
Sugg Max Load 20.46 N
Wind Direction Left
Wire Diameter 0.81 mm