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S-1503CS - 2.94" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 18.8 coils and closed & ground ends. This spring features an O.D. of 0.734", and an I.D. of 0.646".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-1503
Ends Closed & Ground
Finish None
Free Length 2.94 in
Inside Diameter 0.646 in
Material 302/304 Stainless Steel
Outside Diameter 0.734 in
Part Type Standard
Rate 0.85 lbs/in
SKU S-1503CS
Solid Length 0.83 in
Suggested Max Deflection 2.1 in
Suggested Max Load 1.8 lbf
Total Coils 18.8
Wire Diameter 0.044 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-1503
Ends Closed & Ground
Finish None
Free Length 74.68 mm
Inside Diameter 16.41 mm
Material 302/304 Stainless Steel
Outside Diameter 18.64 mm
Part Type Standard
Rate 0.15 N/mm
SKU S-1503CS
Solid Length 21.08 mm
Suggested Max Deflection 53.34 mm
Suggested Max Load 8.01 N
Total Coils 18.8
Wire Diameter 1.12 mm
The S-1503CS 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-1503 spring design exhibits reliable strength across its 18.8 active coils, withstanding repeated compression cycles with a maximum load of 1.8 lbf without succumbing to fatigue.

We manufacture the S-1503 design to provide a compression spring that is 2.94" long at rest and provides a consistent rate of 0.85 lbs/in along its recommended maximum of 2.1" deflection. For best results, your application should fully accommodate the inner (0.646") and outer (0.734") diameters of this spring and be designed for its closed & ground end configuration.