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72971 - 4.5 Inch, 39 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 8.63 coils and Closed & Ground ends. This spring features an O.D. of 1.937 Inch, an I.D. of 1.583 Inch, and a spring rate of 39 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72971
Ends Closed & Ground
Finish None
Free Length 4.5 in
Inside Diameter 1.583 in
Material Music Wire
Outside Diameter 1.937 in
Part Type Standard
Rate 39 lbs/in
SKU 72971CS
Solid Length 1.53 in
Suggested Max Deflection 3 in
Suggested Max Load 115 lbf
Total Coils 8.63
Wire Diameter 0.177 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72971
Ends Closed & Ground
Finish None
Free Length 114.3 mm
Inside Diameter 40.21 mm
Material Music Wire
Outside Diameter 49.2 mm
Part Type Standard
Rate 6.83 N/mm
SKU 72971CS
Solid Length 38.86 mm
Suggested Max Deflection 76.2 mm
Suggested Max Load 511.52 N
Total Coils 8.63
Wire Diameter 4.5 mm

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