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75439SCS - 0.551" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 7.5 coils and closed & ground ends. This spring features an O.D. of 0.236", and an I.D. of 0.172".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75439S
Ends Closed & Ground
Finish None
Free Length 0.551 in
Inside Diameter 0.172 in
Material 302/304 Stainless Steel
Outside Diameter 0.236 in
Part Type Metric
Rate 26.173 lbs/in
SKU 75439SCS
Solid Length 0.235 in
Suggested Max Deflection 0.191 in
Suggested Max Load 4.999 lbf
Total Coils 7.5
Wire Diameter 0.032 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75439S
Ends Closed & Ground
Finish None
Free Length 14 mm
Inside Diameter 4.37 mm
Material 302/304 Stainless Steel
Outside Diameter 5.99 mm
Part Type Metric
Rate 4.58 N/mm
SKU 75439SCS
Solid Length 5.97 mm
Suggested Max Deflection 4.85 mm
Suggested Max Load 22.24 N
Total Coils 7.5
Wire Diameter 0.81 mm
The 75439SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.032" diameter 302/304 stainless steel, the 75439S spring design exhibits reliable strength across its 7.5 active coils, withstanding repeated compression cycles with a maximum load of 4.999 lbf without succumbing to fatigue.

We manufacture the 75439S design to provide a compression spring that is 0.551" long at rest and provides a consistent rate of 26.173 lbs/in along its recommended maximum of 0.191" deflection. For best results, your application should fully accommodate the inner (0.172") and outer (0.236") diameters of this spring and be designed for its closed & ground end configuration.