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S-3040 - 0.75 Inch, 451 Inch Pounds 302/304 Stainless Steel Compression Spring

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

Regular compression spring in 302/304 Stainless Steel with 3.5 total coils and Closed & Ground ends. This spring features an O.D. of 0.938 Inch, an I.D. of 0.678 Inch, and a spring rate of 451 Inch Pounds.

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-3040
Ends Closed & Ground
Finish None
Free Length 0.75 in
Inside Diameter 0.678 in
Material 302/304 Stainless Steel
Outside Diameter 0.938 in
Part Type Standard
Rate 451 lbs/in
SKU S-3040CS
Solid Length 0.46 in
Suggested Max Deflection 0.14 in
Suggested Max Load 63 lbf
Total Coils 3.5
Wire Diameter 0.13 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-3040
Ends Closed & Ground
Finish None
Free Length 19.05 mm
Inside Diameter 17.22 mm
Material 302/304 Stainless Steel
Outside Diameter 23.83 mm
Part Type Standard
Rate 78.97 N/mm
SKU S-3040CS
Solid Length 11.68 mm
Suggested Max Deflection 3.56 mm
Suggested Max Load 280.22 N
Total Coils 3.5
Wire Diameter 3.3 mm

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