Model: 551-AMB

Fixed Moun Mechanical Tachometer

Special Features:

Hourmeter calibrated at 62500 rpm equal one hour

Properties:

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
Rpmp0.0/p4500.0
Graduation Unit
1 hr operation
Case Shape
Round
Scale Measurement Range
-0.0/+45.0
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 Finish
Radium
Pointer Color
White
Dial Illumination
Not provided
Scale Smallest Increment
100.0 revolutions per minute
Scale Finish
Radium
Pointer Movement Direction
Counterclockwise
Driven Speed To Indicated Speed Minimum Ratio
1.915 to 1
Totalizing Mechanism
Provided
Totalizing Mechanism Calibration
62500 rpm
Ahead-astern Semaphore
Not provided
Scale Measurement Unit
Rpm
Criticality Code Justification
Feat and akct
Reference Number Differentiating Characteristics
As differentiated by special features
NSN
6680-00-530-4531
Part Number
551-AMB
Description
Tachometer,mechanical,fixed Moun
CAGE

Part 551-AMB NSN 6680-00-530-4531

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
07115
FIIG:
T145-E
Concept No.:
1
App. Key:
EA
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
SPI No.:
SPI Rev.:
SPC Mkg:
LVL_A:
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
177220
UFC:
87150
LTL:
100.0
LCL:
--
WCC:
653
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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