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S-3221 - 2.72 Inch, 31 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 4.5 coils and Closed & Ground ends. This spring features an O.D. of 3 Inch, an I.D. of 2.618 Inch, and a spring rate of 31 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-3221
Ends Closed & Ground
Finish None
Free Length 2.72 in
Inside Diameter 2.618 in
Material 302/304 Stainless Steel
Outside Diameter 3 in
Part Type Standard
Rate 31 lbs/in
SKU S-3221CS
Solid Length 0.859 in
Suggested Max Deflection 1.861 in
Suggested Max Load 58 lbf
Total Coils 4.5
Wire Diameter 0.192 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-3221
Ends Closed & Ground
Finish None
Free Length 69.09 mm
Inside Diameter 66.5 mm
Material 302/304 Stainless Steel
Outside Diameter 76.2 mm
Part Type Standard
Rate 5.43 N/mm
SKU S-3221CS
Solid Length 21.82 mm
Suggested Max Deflection 47.27 mm
Suggested Max Load 257.98 N
Total Coils 4.5
Wire Diameter 4.88 mm

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