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307CS - 4.5 Inch Music Wire Extension Spring

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Regular extension spring in Music Wire. This spring features an O.D. of 0.343 Inch and an initial tension of 0.2 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 307
Ends Full Loop
Finish Zinc
Initial Tension 0.2 lb
Length 4.5 in
Material Music Wire
Outside Diameter 0.343 in
Part Type Standard
Rate 0.11 lbs/in
SKU 307CS
Sugg Max Deflection 20 in
Sugg Max Load 2.3 lbf
Wire Diameter 0.025 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 307
Ends Full Loop
Finish Zinc
Initial Tension 0.09 kg
Length 114.3 mm
Material Music Wire
Outside Diameter 8.71 mm
Part Type Standard
Rate 0.02 N/mm
SKU 307CS
Sugg Max Deflection 508 mm
Sugg Max Load 10.23 N
Wire Diameter 0.64 mm

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