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81131CS - 4.5 Inch Music Wire Extension Spring

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Regular extension spring in Music Wire. This spring features an O.D. of 1.25 Inch and an initial tension of 8 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 81131
Ends Full Loop
Finish None
Initial Tension 8 lb
Length 4.5 in
Material Music Wire
Outside Diameter 1.25 in
Part Type Standard
Rate 34 lbs/in
SKU 81131CS
Sugg Max Deflection 2.6 in
Sugg Max Load 95 lbf
Wire Diameter 0.148 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 81131
Ends Full Loop
Finish None
Initial Tension 3.63 kg
Length 114.3 mm
Material Music Wire
Outside Diameter 31.75 mm
Part Type Standard
Rate 5.95 N/mm
SKU 81131CS
Sugg Max Deflection 66.04 mm
Sugg Max Load 422.56 N
Wire Diameter 3.76 mm

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