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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 Inch and an initial tension of 3 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 80987
Ends Full Loop
Finish None
Initial Tension 3 lb
Length 9 in
Material Music Wire
Outside Diameter 1 in
Part Type Standard
Rate 2.1 lbs/in
SKU 80987CS
Sugg Max Deflection 15 in
Sugg Max Load 34 lbf
Wind Direction Left
Wire Diameter 0.095 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 80987
Ends Full Loop
Finish None
Initial Tension 1.36 kg
Length 228.6 mm
Material Music Wire
Outside Diameter 25.4 mm
Part Type Standard
Rate 0.37 N/mm
SKU 80987CS
Sugg Max Deflection 381 mm
Sugg Max Load 151.23 N
Wind Direction Left
Wire Diameter 2.41 mm