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72439 - 4 Inch, 29 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 14.3 coils and Closed & Ground ends. This spring features an O.D. of 0.975 Inch, an I.D. of 0.751 Inch, and a spring rate of 29 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72439
Ends Closed & Ground
Finish None
Free Length 4 in
Inside Diameter 0.751 in
Material Music Wire
Outside Diameter 0.975 in
Part Type Standard
Rate 29 lbs/in
SKU 72439CS
Solid Length 1.6 in
Suggested Max Deflection 2.2 in
Suggested Max Load 63 lbf
Total Coils 14.3
Wire Diameter 0.112 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72439
Ends Closed & Ground
Finish None
Free Length 101.6 mm
Inside Diameter 19.08 mm
Material Music Wire
Outside Diameter 24.77 mm
Part Type Standard
Rate 5.08 N/mm
SKU 72439CS
Solid Length 40.64 mm
Suggested Max Deflection 55.88 mm
Suggested Max Load 280.22 N
Total Coils 14.3
Wire Diameter 2.84 mm

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