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72921 - 4.5 Inch, 114 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 coils and Closed & Ground ends. This spring features an O.D. of 1.687 Inch, an I.D. of 1.251 Inch, and a spring rate of 114 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72921
Ends Closed & Ground
Finish None
Free Length 4.5 in
Inside Diameter 1.251 in
Material Music Wire
Outside Diameter 1.687 in
Part Type Standard
Rate 114 lbs/in
SKU 72921CS
Solid Length 2.4 in
Suggested Max Deflection 2.1 in
Suggested Max Load 240 lbf
Total Coils 11
Wire Diameter 0.218 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72921
Ends Closed & Ground
Finish None
Free Length 114.3 mm
Inside Diameter 31.78 mm
Material Music Wire
Outside Diameter 42.85 mm
Part Type Standard
Rate 19.96 N/mm
SKU 72921CS
Solid Length 60.96 mm
Suggested Max Deflection 53.34 mm
Suggested Max Load 1067.52 N
Total Coils 11
Wire Diameter 5.54 mm

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