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2640 - 0.78 Inch, 87 Inch Pounds Music Wire Compression Spring

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

Compression spring manufactured from Music Wire with 4.75 coils and Closed & Ground ends. This spring features an O.D. of 0.515 Inch, an I.D. of 0.39 Inch, and a spring rate of 87 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 2640
Ends Closed & Ground
Finish Zinc
Free Length 0.78 in
Inside Diameter 0.39 in
Material Music Wire
Outside Diameter 0.515 in
Part Type Standard
Rate 87 lbs/in
SKU 2640CS
Solid Length 0.29 in
Suggested Max Deflection 0.26 in
Suggested Max Load 23 lbf
Total Coils 4.75
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 2640
Ends Closed & Ground
Finish Zinc
Free Length 19.81 mm
Inside Diameter 9.91 mm
Material Music Wire
Outside Diameter 13.08 mm
Part Type Standard
Rate 15.23 N/mm
SKU 2640CS
Solid Length 7.37 mm
Suggested Max Deflection 6.6 mm
Suggested Max Load 102.3 N
Total Coils 4.75
Wire Diameter 1.59 mm

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