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81138 - 4.5 Inch Music Wire Extension Spring

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 1.5 Inch and an initial tension of 5.9 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 81138
Ends Full Loop
Finish None
Initial Tension 5.9 lb
Length 4.5 in
Material Music Wire
Outside Diameter 1.5 in
Part Type Standard
Rate 9.7 lbs/in
SKU 81138CS
Sugg Max Deflection 4.8 in
Sugg Max Load 51 lbf
Wind Direction Left
Wire Diameter 0.125 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 81138
Ends Full Loop
Finish None
Initial Tension 2.68 kg
Length 114.3 mm
Material Music Wire
Outside Diameter 38.1 mm
Part Type Standard
Rate 1.7 N/mm
SKU 81138CS
Sugg Max Deflection 121.92 mm
Sugg Max Load 226.85 N
Wind Direction Left
Wire Diameter 3.18 mm

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