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72981 - 4.5 Inch, 52 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 9 coils and Closed & Ground ends. This spring features an O.D. of 1.937 Inch, an I.D. of 1.553 Inch, and a spring rate of 52 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72981
Ends Closed & Ground
Finish None
Free Length 4.5 in
Inside Diameter 1.553 in
Material Music Wire
Outside Diameter 1.937 in
Part Type Standard
Rate 52 lbs/in
SKU 72981CS
Solid Length 1.73 in
Suggested Max Deflection 2.8 in
Suggested Max Load 144 lbf
Total Coils 9
Wire Diameter 0.192 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72981
Ends Closed & Ground
Finish None
Free Length 114.3 mm
Inside Diameter 39.45 mm
Material Music Wire
Outside Diameter 49.2 mm
Part Type Standard
Rate 9.11 N/mm
SKU 72981CS
Solid Length 43.94 mm
Suggested Max Deflection 71.12 mm
Suggested Max Load 640.51 N
Total Coils 9
Wire Diameter 4.88 mm