Model: 551AMA

Fixed Moun Mechanical Tachometer

Special Features:

Hourmeter calibrated 2084 rpm equals 1 hr at 1042 rpm

Properties:

Mounting Type
Panel
Drive Connection Type
Flexible
Overall Depth
2.656 inches
Overall Diameter
2.843 inches
Case Material
Steel, stainless
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
+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 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
Hours operated
Ahead-astern Semaphore
Not provided
Scale Measurement Unit
Rpm
Reference Number Differentiating Characteristics
Ansz, bgpd, adav, bgph, abfy
NSN
6680-00-542-1273
Part Number
551AMA
Description
Tachometer,mechanical,fixed Moun
CAGE

Part 551AMA NSN 6680-00-542-1273

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
177220
UFC:
87150
LTL:
100.0
LCL:
--
WCC:
586
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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