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NN-39 - 0.53 Inch, 79 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 7 coils and Closed ends. This spring features an O.D. of 0.25 Inch, an I.D. of 0.17 Inch, and a spring rate of 79 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name NN-39
Ends Closed
Finish None
Free Length 0.53 in
Inside Diameter 0.17 in
Material Spring Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 79 lbs/in
SKU NN-39CS
Solid Length 0.32 in
Suggested Max Deflection 0.12 in
Suggested Max Load 9.5 lbf
Total Coils 7
Wire Diameter 0.04 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name NN-39
Ends Closed
Finish None
Free Length 13.46 mm
Inside Diameter 4.32 mm
Material Spring Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 13.83 N/mm
SKU NN-39CS
Solid Length 8.13 mm
Suggested Max Deflection 3.05 mm
Suggested Max Load 42.26 N
Total Coils 7
Wire Diameter 1.02 mm

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