Compression Springs Regular

351-BCS - 1.38" Music Wire Compression Spring

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Compression spring manufactured from music wire with 14.3 coils and closed ends. This spring features an O.D. of 0.219", and an I.D. of 0.179".

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Standard

Metric

Specs (in standard)
Label	Value
Brand	Century Spring
Display Name	351-B
Ends	Closed
Finish	Zinc
Free Length	1.38 in
Inside Diameter	0.179 in
Material	Music Wire
Outside Diameter	0.219 in
Part Type	Standard
Rate	2.4 lbs/in
SKU	351-BCS
Solid Length	0.31 in
Suggested Max Deflection	0.91 in
Suggested Max Load	2.2 lbf
Total Coils	14.3
Wire Diameter	0.02 in

Specs (in metric)
Label	Value
Brand	Century Spring
Display Name	351-B
Ends	Closed
Finish	Zinc
Free Length	35.05 mm
Inside Diameter	4.55 mm
Material	Music Wire
Outside Diameter	5.56 mm
Part Type	Standard
Rate	0.42 N/mm
SKU	351-BCS
Solid Length	7.87 mm
Suggested Max Deflection	23.11 mm
Suggested Max Load	9.79 N
Total Coils	14.3
Wire Diameter	0.51 mm

The 351-B compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality music wire 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 351-BCS compression spring is designed with a free length of 1" total of 10.8 coils, and a rate of 3.3 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 351-B 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.