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71991 - 0.75 Inch, 50 Inch Pounds Music Wire Compression Spring

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

Compression spring manufactured from Music Wire with 4.25 coils and Closed & Ground ends. This spring features an O.D. of 0.72 Inch, an I.D. of 0.584 Inch, and a spring rate of 50 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71991
Ends Closed & Ground
Finish None
Free Length 0.75 in
Inside Diameter 0.584 in
Material Music Wire
Outside Diameter 0.72 in
Part Type Standard
Rate 50 lbs/in
SKU 71991CS
Solid Length 0.29 in
Suggested Max Deflection 0.44 in
Suggested Max Load 22 lbf
Total Coils 4.25
Wire Diameter 0.068 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 71991
Ends Closed & Ground
Finish None
Free Length 19.05 mm
Inside Diameter 14.83 mm
Material Music Wire
Outside Diameter 18.29 mm
Part Type Standard
Rate 8.76 N/mm
SKU 71991CS
Solid Length 7.37 mm
Suggested Max Deflection 11.18 mm
Suggested Max Load 97.86 N
Total Coils 4.25
Wire Diameter 1.73 mm

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