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Century Spring

U-41CS - 0.44" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 4 coils and closed ends. This spring features an O.D. of 0.234", and an I.D. of 0.174".

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

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name U-41
Ends Closed
Finish None
Free Length 0.44 in
Inside Diameter 0.174 in
Material 302/304 Stainless Steel
Outside Diameter 0.234 in
Part Type Standard
Rate 61 lbs/in
SKU U-41CS
Solid Length 0.15 in
Suggested Max Deflection 0.07 in
Suggested Max Load 4.3 lbf
Total Coils 4
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name U-41
Ends Closed
Finish None
Free Length 11.18 mm
Inside Diameter 4.42 mm
Material 302/304 Stainless Steel
Outside Diameter 5.94 mm
Part Type Standard
Rate 10.68 N/mm
SKU U-41CS
Solid Length 3.81 mm
Suggested Max Deflection 1.78 mm
Suggested Max Load 19.13 N
Total Coils 4
Wire Diameter 0.76 mm
The U-41CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.03" diameter 302/304 stainless steel, the U-41 spring design exhibits reliable strength across its 4 active coils, withstanding repeated compression cycles with a maximum load of 4.3 lbf without succumbing to fatigue.

We manufacture the U-41 design to provide a compression spring that is 0.44" long at rest and provides a consistent rate of 61 lbs/in along its recommended maximum of 0.07" deflection. For best results, your application should fully accommodate the inner (0.174") and outer (0.234") diameters of this spring and be designed for its closed end configuration.

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