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Liquid And Mechanical Motion Measuring Instruments
Fixed Moun Mechanical Tachometers
Part 551AMC
Model #551AMC
Fixed moun mechanical tachometer (NSN 6680-00-057-2776)
Special Features
Reference usaf dwg 56b23624, for special markings
Mounting Type
Panel
Drive Connection Type
Flexible
Overall Depth
2.656 inches
Overall Diameter
2.843 inches
Case Material
Steel
Mounting Feature Type
Flush
Shaft Rotation Direction
Clockwise
Operating Range
+0.0/+4500.0 revolutions per minute
Graduation Unit
1 hr operation
Case Shape
Round
Scale Measurement Range
-800.0/+3000.0
Unit Type
Chronometric
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
Pointer Movement Direction
Clockwise
Driven Speed To Indicated Speed Minimum Ratio
2 to 1
Totalizing Mechanism
Provided
Totalizing Mechanism Calibration
Engine revolutions
Ahead-astern Semaphore
Not provided
Scale Measurement Unit
Rpm
Description
Tachometer,mechanical,fixed Moun
Cage Code
57733
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Part Number:
551AMC
NSN 6680-00-057-2776
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Updated: 11/24/2024