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Century Spring

1643CS - 7.88" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 26 coils and closed & ground ends. This spring features an O.D. of 1.094", and an I.D. of 0.884".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 1643
Ends Closed & Ground
Finish Zinc
Free Length 7.88 in
Inside Diameter 0.884 in
Material Spring Steel
Outside Diameter 1.094 in
Part Type Standard
Rate 7.5 lbs/in
SKU 1643CS
Solid Length 2.73 in
Suggested Max Deflection 4.6 in
Suggested Max Load 35 lbf
Total Coils 26
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 1643
Ends Closed & Ground
Finish Zinc
Free Length 200.15 mm
Inside Diameter 22.45 mm
Material Spring Steel
Outside Diameter 27.79 mm
Part Type Standard
Rate 1.31 N/mm
SKU 1643CS
Solid Length 69.34 mm
Suggested Max Deflection 116.84 mm
Suggested Max Load 155.68 N
Total Coils 26
Wire Diameter 2.67 mm
The 1643 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality spring 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 1643CS compression spring is designed with a free length of 8.63" total of 51.5 coils, and a rate of 2.4 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 1643 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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