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S-939 - 0.69 Inch, 56 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 0.812 Inch, an I.D. of 0.668 Inch, and a spring rate of 56 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-939
Ends Closed & Ground
Finish None
Free Length 0.69 in
Inside Diameter 0.668 in
Material 302/304 Stainless Steel
Outside Diameter 0.812 in
Part Type Standard
Rate 56 lbs/in
SKU S-939CS
Solid Length 0.25 in
Suggested Max Deflection 0.26 in
Suggested Max Load 15 lbf
Total Coils 3.5
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-939
Ends Closed & Ground
Finish None
Free Length 17.53 mm
Inside Diameter 16.97 mm
Material 302/304 Stainless Steel
Outside Diameter 20.62 mm
Part Type Standard
Rate 9.81 N/mm
SKU S-939CS
Solid Length 6.35 mm
Suggested Max Deflection 6.6 mm
Suggested Max Load 66.72 N
Total Coils 3.5
Wire Diameter 1.83 mm

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