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Liquid And Mechanical Motion Measuring Instruments
Fixed Moun Mechanical Tachometers
Part 551LY
Model #551LY
Fixed moun mechanical tachometer (NSN 6680-00-833-6128)
Mounting Type
Panel
Drive Connection Type
Flexible
Overall Depth
2.406 inches
Overall Diameter
3.344 inches
Case Material
Brass
End Application
Poseidon
Mounting Feature Type
Flush
Shaft Rotation Direction
Counterclockwise
Operating Range
+0.0/+3500.0 revolutions per minute
Graduation Unit
1 hr operation
Case Shape
Round
Scale Measurement Range
+5.0/+30.0
Unit Type
Magnetic
Scale Quantity
1
Dial Quantity
1
Major Graduation Color
White
Minor Graduation Color
White
Dial Background Color
Black
Pointer Quantity
1
Pointer Color
White
Dial Illumination
Not provided
Scale Smallest Increment
100.0 revolutions per minute
Driven Speed To Indicated Speed Minimum Ratio
1 to 2
Totalizing Mechanism
Provided
Totalizing Mechanism Calibration
Engine hours
Ahead-astern Semaphore
Not provided
Scale Measurement Unit
Rpm
Description
Tachometer,mechanical,fixed Moun
Cage Code
57733
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Part Number:
551LY
NSN 6680-00-833-6128
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Updated: 06/23/2024