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72718 - 4 Inch Music Wire Compression Spring

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

Compression spring manufactured from Music Wire with 12.8 coils and Closed & Ground ends. This spring features an O.D. of 1.225 Inch, and an I.D. of 0.929 Inch.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72718
Ends Closed & Ground
Finish None
Free Length 4 in
Inside Diameter 0.929 in
Material Music Wire
Outside Diameter 1.225 in
Part Type Standard
Rate 51 lbs/in
SKU 72718CS
Solid Length 1.89 in
Suggested Max Deflection 2.1 in
Suggested Max Load 108 lbf
Total Coils 12.8
Wire Diameter 0.148 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72718
Ends Closed & Ground
Finish None
Free Length 101.6 mm
Inside Diameter 23.6 mm
Material Music Wire
Outside Diameter 31.12 mm
Part Type Standard
Rate 8.93 N/mm
SKU 72718CS
Solid Length 48.01 mm
Suggested Max Deflection 53.34 mm
Suggested Max Load 480.38 N
Total Coils 12.8
Wire Diameter 3.76 mm

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