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S-421 - 1.38 Inch, 25 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 8.1 coils and Closed & Ground ends. This spring features an O.D. of 0.562 Inch, an I.D. of 0.436 Inch, and a spring rate of 25 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-421
Ends Closed & Ground
Finish None
Free Length 1.38 in
Inside Diameter 0.436 in
Material 302/304 Stainless Steel
Outside Diameter 0.562 in
Part Type Standard
Rate 25 lbs/in
SKU S-421CS
Solid Length 0.508 in
Suggested Max Deflection 0.578 in
Suggested Max Load 14.5 lbf
Total Coils 8.1
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-421
Ends Closed & Ground
Finish None
Free Length 35.05 mm
Inside Diameter 11.07 mm
Material 302/304 Stainless Steel
Outside Diameter 14.27 mm
Part Type Standard
Rate 4.38 N/mm
SKU S-421CS
Solid Length 12.9 mm
Suggested Max Deflection 14.68 mm
Suggested Max Load 64.5 N
Total Coils 8.1
Wire Diameter 1.59 mm

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