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S-490 - 2.5 Inch, 0.29 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 0.75 Inch, an I.D. of 0.68 Inch, and a spring rate of 0.29 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-490
Ends Closed
Finish None
Free Length 2.5 in
Inside Diameter 0.68 in
Material 302/304 Stainless Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 0.29 lbs/in
SKU S-490CS
Solid Length 0.74 in
Suggested Max Deflection 1.8 in
Suggested Max Load 0.5 lbf
Total Coils 20
Wire Diameter 0.035 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-490
Ends Closed
Finish None
Free Length 63.5 mm
Inside Diameter 17.27 mm
Material 302/304 Stainless Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 0.05 N/mm
SKU S-490CS
Solid Length 18.8 mm
Suggested Max Deflection 45.72 mm
Suggested Max Load 2.22 N
Total Coils 20
Wire Diameter 0.89 mm

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