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MM-57 - 2.19 Inch, 2.6 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 13 coils and Closed & Ground ends. This spring features an O.D. of 0.375 Inch, an I.D. of 0.315 Inch, and a spring rate of 2.6 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name MM-57
Ends Closed & Ground
Finish Gold Iridite
Free Length 2.19 in
Inside Diameter 0.315 in
Material Music Wire
Outside Diameter 0.375 in
Part Type Standard
Rate 2.6 lbs/in
SKU MM-57CS
Solid Length 0.39 in
Suggested Max Deflection 1.6 in
Suggested Max Load 4.1 lbf
Total Coils 13
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name MM-57
Ends Closed & Ground
Finish Gold Iridite
Free Length 55.63 mm
Inside Diameter 8 mm
Material Music Wire
Outside Diameter 9.53 mm
Part Type Standard
Rate 0.46 N/mm
SKU MM-57CS
Solid Length 9.91 mm
Suggested Max Deflection 40.64 mm
Suggested Max Load 18.24 N
Total Coils 13
Wire Diameter 0.76 mm

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