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Century Spring

S-1649CS - 4" 302/304 Stainless Steel Compression Spring

Inventory Status
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Compression spring manufactured from 302/304 stainless steel with 10.5 coils and closed & ground ends. This spring features an O.D. of 1.5", and an I.D. of 1.24".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-1649
Ends Closed & Ground
Finish None
Free Length 4 in
Inside Diameter 1.24 in
Material 302/304 Stainless Steel
Outside Diameter 1.5 in
Part Type Standard
Rate 17 lbs/in
SKU S-1649CS
Solid Length 1.37 in
Suggested Max Deflection 2.5 in
Suggested Max Load 41 lbf
Total Coils 10.5
Wire Diameter 0.13 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-1649
Ends Closed & Ground
Finish None
Free Length 101.6 mm
Inside Diameter 31.5 mm
Material 302/304 Stainless Steel
Outside Diameter 38.1 mm
Part Type Standard
Rate 2.98 N/mm
SKU S-1649CS
Solid Length 34.8 mm
Suggested Max Deflection 63.5 mm
Suggested Max Load 182.37 N
Total Coils 10.5
Wire Diameter 3.3 mm
The S-1649 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-1649CS compression spring is designed with a free length of 1.41" total of 4.5 coils, and a rate of 21 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The S-1649 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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