Model: 900142-21

Motor-tachometer Generator

Properties:

Overall Height
0.770 inches
Overall Length
2.065 inches
Overall Width
0.770 inches
Spline Minor Diameter
0.1083 inches single end
Spline Quantity
13 single end
Shaft Diameter
0.1247 inches single end
Current Type
Ac input
Inclosure Feature
General purpose
Spline Length
0.3150 inches single end
Mounting Method
Clamp ring
Mounting Facility Type And Quantity
1 clamp collar
Excitor Type
Separately excited
Calibration Speed In Rpm
1000.0
Cooling Method
Ambient air
Calibration Voltage Output Type In Volts
0.3 ac
Torque Rating And Type
0.35 inch-ounces stalled
Inclosure Specificationification
Commercial
Control Field Voltage Type And Rating In Volts
26.0 ac
Features Provided
Horizontal mounting position and vertical mounting position
Power Rating
3.000 watts output
Length Of Shaft From Housing
0.315 inches single end
Tempurature Rating
-65.0 ambient degrees celsius and 125.0 ambient degrees celsius
Rotor Speed Rating In Rpm
6200.0 single no load
Current Rating In Amps
0.250 single input
Connection Type And Voltage Rating In Volts
26.0 line to neutral single input
Shaft End Characteristic
A14 single style single end
Phase
Single input
Frequency In Hertz
400.0 output
Terminal Type And Quantity
9 wire lead
NSN
6105-00-959-4093
Part Number
900142-21
Description
Motor-tachometer Generator
CAGE
06481

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 900142-21 NSN 6105-00-959-4093

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:
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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