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OO-40CS - 0.75" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 7 coils and closed & ground ends. This spring features an O.D. of 0.42", and an I.D. of 0.26".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name OO-40
Ends Closed & Ground
Finish None
Free Length 0.75 in
Inside Diameter 0.26 in
Material 302/304 Stainless Steel
Outside Diameter 0.42 in
Part Type Standard
Rate 263 lbs/in
SKU OO-40CS
Solid Length 0.56 in
Suggested Max Deflection 0.14 in
Suggested Max Load 37 lbf
Total Coils 7
Wire Diameter 0.08 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name OO-40
Ends Closed & Ground
Finish None
Free Length 19.05 mm
Inside Diameter 6.6 mm
Material 302/304 Stainless Steel
Outside Diameter 10.67 mm
Part Type Standard
Rate 46.05 N/mm
SKU OO-40CS
Solid Length 14.22 mm
Suggested Max Deflection 3.56 mm
Suggested Max Load 164.58 N
Total Coils 7
Wire Diameter 2.03 mm
The OO-40CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.08" diameter 302/304 stainless steel, the OO-40 spring design exhibits reliable strength across its 7 active coils, withstanding repeated compression cycles with a maximum load of 37 lbf without succumbing to fatigue.

We manufacture the OO-40 design to provide a compression spring that is 0.75" long at rest and provides a consistent rate of 263 lbs/in along its recommended maximum of 0.14" deflection. For best results, your application should fully accommodate the inner (0.26") and outer (0.42") diameters of this spring and be designed for its closed & ground end configuration.