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Century Spring

S-181CS - 1.38" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 8.25 coils and closed & ground ends. This spring features an O.D. of 0.468", and an I.D. of 0.38".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-181
Ends Closed & Ground
Finish None
Free Length 1.38 in
Inside Diameter 0.38 in
Material 302/304 Stainless Steel
Outside Diameter 0.468 in
Part Type Standard
Rate 9.8 lbs/in
SKU S-181CS
Solid Length 0.36 in
Suggested Max Deflection 0.67 in
Suggested Max Load 6.6 lbf
Total Coils 8.25
Wire Diameter 0.044 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-181
Ends Closed & Ground
Finish None
Free Length 35.05 mm
Inside Diameter 9.65 mm
Material 302/304 Stainless Steel
Outside Diameter 11.89 mm
Part Type Standard
Rate 1.72 N/mm
SKU S-181CS
Solid Length 9.14 mm
Suggested Max Deflection 17.02 mm
Suggested Max Load 29.36 N
Total Coils 8.25
Wire Diameter 1.12 mm
The S-181CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.044" diameter 302/304 stainless steel, the S-181 spring design exhibits reliable strength across its 8.25 active coils, withstanding repeated compression cycles with a maximum load of 6.6 lbf without succumbing to fatigue.

We manufacture the S-181 design to provide a compression spring that is 1.38" long at rest and provides a consistent rate of 9.8 lbs/in along its recommended maximum of 0.67" deflection. For best results, your application should fully accommodate the inner (0.38") and outer (0.468") diameters of this spring and be designed for its closed & ground end configuration.

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