Model: 451428

Motor-tachometer Generator

Properties:

Overall Height
1.500 inches
Overall Length
6.855 inches
Overall Width
1.500 inches
Shaft Diameter
0.1880 inches single end
Current Type
Dc input
Maximum Operating Altitude Rating
50000.0 feet
Inclosure Feature
Totally enclosed
Mounting Method
Pad
Mounting Facility Type And Quantity
4 unthreaded hole
Excitor Type
Separately excited
Calibration Speed In Rpm
1000.0
Cooling Method
Natural convection ventilated
Calibration Voltage Output Type In Volts
7.0 dc
Torque Rating And Type
5.3 inch-pounds stalled
Inclosure Specificationification
Commercial
Control Field Voltage Type And Rating In Volts
27.5 dc
Features Provided
Horizontal mounting position and vertical mounting position
Length Of Shaft From Housing
0.500 inches single end
Tempurature Rating
-55.0 operating degrees celsius and 60.0 operating degrees celsius
Rotor Speed Rating In Rpm
9000.0 single full load
Center To Center Distance Between Mounting Facilities Parallel To Width
1.206 inches
Center To Center Distance Between Mounting Facilities Parallel To Height
1.206 inches
Connection Type And Voltage Rating In Volts
27.5 line to neutral single input
Shaft End Characteristic
A1 single style single end
Terminal Type And Quantity
4 screw
NSN
6105-00-961-4531
Part Number
451428
Description
Motor-tachometer Generator
CAGE
1PQF4

An item which is an electrical rotating machine combining both control motor and tachometer generator action. The control motor and tachometer generator may be contained in the same or separate housings. It is designed for servo application where instant response to input signal is essential. It is generally used in circuits where the output potential from the tachometer generator is fed back to prevent excessive oscillation and for assuring high stability in a servo loop. Excludes dynamotor; and motor-generator.

Part 451428 NSN 6105-00-961-4531

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
28454
FIIG:
A271A0
Concept No.:
App. Key:
P
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:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062120
UFC:
34760
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8412809000
  • SITC: 71893
  • End Use: Industrial engines
  • NAICS: 333618
  • USDA: 1

Freight Class: Engines and motors, nesoi

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