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.

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

Regular extension spring in Music Wire. This spring features an O.D. of 0.172 Inch and an initial tension of 0.5 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 417
Ends Extended Hook
Finish Zinc
Initial Tension 0.5 lb
Length 0.5 in
Material Music Wire
Outside Diameter 0.172 in
Part Type Standard
Rate 14 lbs/in
SKU 417CS
Sugg Max Deflection 0.24 in
Sugg Max Load 3.8 lbf
Wind Direction Left
Wire Diameter 0.023 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 417
Ends Extended Hook
Finish Zinc
Initial Tension 0.23 kg
Length 12.7 mm
Material Music Wire
Outside Diameter 4.37 mm
Part Type Standard
Rate 2.45 N/mm
SKU 417CS
Sugg Max Deflection 6.1 mm
Sugg Max Load 16.9 N
Wind Direction Left
Wire Diameter 0.58 mm