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NN-45 - 0.75 Inch, 1.8 Inch Pounds 302/304 Stainless Steel Compression Spring

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

Compression spring manufactured from 302/304 Stainless Steel with 20 coils and Closed ends. This spring features an O.D. of 0.203 Inch, an I.D. of 0.163 Inch, and a spring rate of 1.8 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name NN-45
Ends Closed
Finish None
Free Length 0.75 in
Inside Diameter 0.163 in
Material 302/304 Stainless Steel
Outside Diameter 0.203 in
Part Type Standard
Rate 1.8 lbs/in
SKU NN-45CS
Solid Length 0.42 in
Suggested Max Deflection 0.33 in
Suggested Max Load 0.61 lbf
Total Coils 20
Wire Diameter 0.02 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name NN-45
Ends Closed
Finish None
Free Length 19.05 mm
Inside Diameter 4.14 mm
Material 302/304 Stainless Steel
Outside Diameter 5.16 mm
Part Type Standard
Rate 0.32 N/mm
SKU NN-45CS
Solid Length 10.67 mm
Suggested Max Deflection 8.38 mm
Suggested Max Load 2.71 N
Total Coils 20
Wire Diameter 0.51 mm

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