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S-391 - 0.38 Inch 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 3.25 total coils and Closed ends. This spring features an O.D. of 0.625 Inch, and an I.D. of 0.567 Inch.

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-391
Ends Closed
Finish None
Free Length 0.38 in
Inside Diameter 0.567 in
Material 302/304 Stainless Steel
Outside Diameter 0.625 in
Part Type Standard
Rate 3.3 lbs/in
SKU S-391CS
Solid Length 0.12 in
Suggested Max Deflection 0.25 in
Suggested Max Load 0.84 lbf
Total Coils 3.25
Wire Diameter 0.029 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-391
Ends Closed
Finish None
Free Length 9.65 mm
Inside Diameter 14.4 mm
Material 302/304 Stainless Steel
Outside Diameter 15.88 mm
Part Type Standard
Rate 0.58 N/mm
SKU S-391CS
Solid Length 3.05 mm
Suggested Max Deflection 6.35 mm
Suggested Max Load 3.74 N
Total Coils 3.25
Wire Diameter 0.74 mm

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