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72737 - 4 Inch 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 12.6 coils and Closed & Ground ends. This spring features an O.D. of 1.225 Inch, and an I.D. of 0.901 Inch.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72737
Ends Closed & Ground
Finish None
Free Length 4 in
Inside Diameter 0.901 in
Material Music Wire
Outside Diameter 1.225 in
Part Type Standard
Rate 78 lbs/in
SKU 72737CS
Solid Length 2.05 in
Suggested Max Deflection 1.8 in
Suggested Max Load 143 lbf
Total Coils 12.6
Wire Diameter 0.162 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72737
Ends Closed & Ground
Finish None
Free Length 101.6 mm
Inside Diameter 22.89 mm
Material Music Wire
Outside Diameter 31.12 mm
Part Type Standard
Rate 13.66 N/mm
SKU 72737CS
Solid Length 52.07 mm
Suggested Max Deflection 45.72 mm
Suggested Max Load 636.06 N
Total Coils 12.6
Wire Diameter 4.11 mm

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