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72640 - 1.5 Inch, 31 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 1.225 Inch, an I.D. of 1.033 Inch, and a spring rate of 31 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72640
Ends Closed & Ground
Finish None
Free Length 1.5 in
Inside Diameter 1.033 in
Material Music Wire
Outside Diameter 1.225 in
Part Type Standard
Rate 31 lbs/in
SKU 72640CS
Solid Length 0.46 in
Suggested Max Deflection 1 in
Suggested Max Load 32 lbf
Total Coils 4.75
Wire Diameter 0.096 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72640
Ends Closed & Ground
Finish None
Free Length 38.1 mm
Inside Diameter 26.24 mm
Material Music Wire
Outside Diameter 31.12 mm
Part Type Standard
Rate 5.43 N/mm
SKU 72640CS
Solid Length 11.68 mm
Suggested Max Deflection 25.4 mm
Suggested Max Load 142.34 N
Total Coils 4.75
Wire Diameter 2.44 mm

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