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Century Spring

81166CS - 7 Inch Music Wire Extension Spring

Inventory Status
Estimated Lead Time

Regular extension spring in Music Wire. This spring features an O.D. of 1.75 Inch and an initial tension of 6 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 81166
Ends Full Loop
Finish None
Initial Tension 6 lb
Length 7 in
Material Music Wire
Outside Diameter 1.75 in
Part Type Standard
Rate 6.8 lbs/in
SKU 81166CS
Sugg Max Deflection 9.5 in
Sugg Max Load 70 lbf
Wind Direction Left
Wire Diameter 0.148 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 81166
Ends Full Loop
Finish None
Initial Tension 2.72 kg
Length 177.8 mm
Material Music Wire
Outside Diameter 44.45 mm
Part Type Standard
Rate 1.19 N/mm
SKU 81166CS
Sugg Max Deflection 241.3 mm
Sugg Max Load 311.36 N
Wind Direction Left
Wire Diameter 3.76 mm

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