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72747 - 3.5 Inch, 129 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 11.5 coils and Closed & Ground ends. This spring features an O.D. of 1.225 Inch, an I.D. of 0.871 Inch, and a spring rate of 129 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72747
Ends Closed & Ground
Finish None
Free Length 3.5 in
Inside Diameter 0.871 in
Material Music Wire
Outside Diameter 1.225 in
Part Type Standard
Rate 129 lbs/in
SKU 72747CS
Solid Length 2.04 in
Suggested Max Deflection 1.4 in
Suggested Max Load 185 lbf
Total Coils 11.5
Wire Diameter 0.177 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72747
Ends Closed & Ground
Finish None
Free Length 88.9 mm
Inside Diameter 22.12 mm
Material Music Wire
Outside Diameter 31.12 mm
Part Type Standard
Rate 22.59 N/mm
SKU 72747CS
Solid Length 51.82 mm
Suggested Max Deflection 35.56 mm
Suggested Max Load 822.88 N
Total Coils 11.5
Wire Diameter 4.5 mm

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