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Century Spring

S-1277CS - 6.5" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 40 coils and closed & ground ends. This spring features an O.D. of 0.5", and an I.D. of 0.392".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-1277
Ends Closed & Ground
Finish None
Free Length 6.5 in
Inside Diameter 0.392 in
Material 302/304 Stainless Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 3.2 lbs/in
SKU S-1277CS
Solid Length 2.16 in
Suggested Max Deflection 3.4 in
Suggested Max Load 11 lbf
Total Coils 40
Wire Diameter 0.054 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-1277
Ends Closed & Ground
Finish None
Free Length 165.1 mm
Inside Diameter 9.96 mm
Material 302/304 Stainless Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.56 N/mm
SKU S-1277CS
Solid Length 54.86 mm
Suggested Max Deflection 86.36 mm
Suggested Max Load 48.93 N
Total Coils 40
Wire Diameter 1.37 mm
The S-1277CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.054" diameter 302/304 stainless steel, the S-1277 spring design exhibits reliable strength across its 40 active coils, withstanding repeated compression cycles with a maximum load of 11 lbf without succumbing to fatigue.

We manufacture the S-1277 design to provide a compression spring that is 6.5" long at rest and provides a consistent rate of 3.2 lbs/in along its recommended maximum of 3.4" deflection. For best results, your application should fully accommodate the inner (0.392") and outer (0.5") diameters of this spring and be designed for its closed & ground end configuration.

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