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72143 - 3 Inch, 2.9 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 8 coils and Closed & Ground ends. This spring features an O.D. of 0.85 Inch, an I.D. of 0.75 Inch, and a spring rate of 2.9 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72143
Ends Closed & Ground
Finish None
Free Length 3 in
Inside Diameter 0.75 in
Material Music Wire
Outside Diameter 0.85 in
Part Type Standard
Rate 2.9 lbs/in
SKU 72143CS
Solid Length 0.4 in
Suggested Max Deflection 2.6 in
Suggested Max Load 7.5 lbf
Total Coils 8
Wire Diameter 0.05 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72143
Ends Closed & Ground
Finish None
Free Length 76.2 mm
Inside Diameter 19.05 mm
Material Music Wire
Outside Diameter 21.59 mm
Part Type Standard
Rate 0.51 N/mm
SKU 72143CS
Solid Length 10.16 mm
Suggested Max Deflection 66.04 mm
Suggested Max Load 33.36 N
Total Coils 8
Wire Diameter 1.27 mm

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