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NN-51 - 1.03 Inch, 18 Inch Pounds Spring Steel Compression Spring

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

Compression spring manufactured from Spring Steel with 9 coils and Closed & Ground ends. This spring features an O.D. of 0.468 Inch, an I.D. of 0.368 Inch, and a spring rate of 18 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name NN-51
Ends Closed & Ground
Finish Zinc
Free Length 1.03 in
Inside Diameter 0.368 in
Material Spring Steel
Outside Diameter 0.468 in
Part Type Standard
Rate 18 lbs/in
SKU NN-51CS
Solid Length 0.45 in
Suggested Max Deflection 0.54 in
Suggested Max Load 9.6 lbf
Total Coils 9
Wire Diameter 0.05 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name NN-51
Ends Closed & Ground
Finish Zinc
Free Length 26.16 mm
Inside Diameter 9.35 mm
Material Spring Steel
Outside Diameter 11.89 mm
Part Type Standard
Rate 3.15 N/mm
SKU NN-51CS
Solid Length 11.43 mm
Suggested Max Deflection 13.72 mm
Suggested Max Load 42.7 N
Total Coils 9
Wire Diameter 1.27 mm

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