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Century Spring

S-1276CS - 1.31" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 3.5 coils and closed ends. This spring features an O.D. of 1.781", and an I.D. of 1.599".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-1276
Ends Closed
Finish None
Free Length 1.31 in
Inside Diameter 1.599 in
Material 302/304 Stainless Steel
Outside Diameter 1.781 in
Part Type Standard
Rate 12 lbs/in
SKU S-1276CS
Solid Length 0.41 in
Suggested Max Deflection 0.9 in
Suggested Max Load 11 lbf
Total Coils 3.5
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-1276
Ends Closed
Finish None
Free Length 33.27 mm
Inside Diameter 40.61 mm
Material 302/304 Stainless Steel
Outside Diameter 45.24 mm
Part Type Standard
Rate 2.1 N/mm
SKU S-1276CS
Solid Length 10.41 mm
Suggested Max Deflection 22.86 mm
Suggested Max Load 48.93 N
Total Coils 3.5
Wire Diameter 2.31 mm
The S-1276 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality 302/304 stainless steel and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The S-1276CS compression spring is designed with a free length of 1.38" total of 5.5 coils, and a rate of 20 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The S-1276 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.

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